For maximum safety, it comes with a push-to-fire safety on the right side of the receiver, striker status indicator and a separate bolt extractor control. + $6. Apr 28, 2023 · CZ 457 TRIGGER DRAWING. 99. Protected by the M*CARBO 100% Lifetime Guarantee. To be confirmed . $99. Brand New. or Best Offer. $97. . CZ 457 TRIGGER BAR SKU#: 5080038001. I have installed one in mine, one in my son’s and already given one away. Joined Mar 2, 2006. If you go to McMaster-Carr and do a search for 9657K612, ( . I have worked on guns for years, especially triggers and have rarely had a problem, but the 457 trigger, when pulled out as a complete assembly was a nightmare to get back together. Dec 10, 2022 · Cz 457 Trigger Springs. 22 LR. Magazine Type Detachable. 5mm allen key; 2mm allen key; 7mm wrench; CZ 457 30mm Scope Rings. Categories Nov 5, 2011 · The "issue" with the Fly trigger is that it can drag on the striker, causing inconsistent ignition and thus, vertical stringing. New release. That results is a lot of stress on a very thin edge. 17 Hornady Magnum Rimfire. The CZ 457 trigger. May 13, 2022 · CZ 457 Trigger Pivot Pin. 3. I have the first stage very light, maybe 6 ounces. Sep 9, 2021 · The new CZ 457 trigger features a robust, user-friendly, adjustable design that can take the trigger from 2 pounds down to a light and crisp 10 ounces. For those of you wondering, the stock spring is . I performed the action screw test on my CZ 457 Varmint using SK Standard+ at 50yds. May 31, 2021 · However, the synthetic stock has an integrated trigger guard so not swappable. I find them safer as well. May 11, 2017 · 3 Gun Nation National Champion Tommy Thacker installing CZ Trigger. The SST allows for both a standard hunting trigger and a light target trigger in the same rifle. Instead, it had a loose fitting pin with spring clips at each end holding it from falling out. Call us at 416-651-6436. 17HMR threaded barrel, so lots of options. So our mad man in the engineering department decided to develop a bottom metal and throw in that little extra for the NRL 22 match's. Color is solved by Cerakote spraying. Pull Weight: Mar 24, 2023 · K9TXS. Our replacement triggers are adjustable and easy to install. #34 · May 2, 2024. To get into the adjusting, you first have to loosen up the screw nut. S. For the discriminating shooter demanding the utmost performance from their trigger, the CZ 457 is designed to be robust, user-friendly, adjustable for pull weight and over travel, yet delicate enough to be set with a pull weight as low as 10 ounces or up to 2 pounds. TIMNEY TRIGGERS CZ457 FITS: CZ 457 actions Matt Emmons, an Olympic Medallist and World Champion in Rifle Shooting, demonstrates how to adjust the trigger settings on a CZ 457. 1,058 Posts. CZ 457 Spring. I know a lot of shooters just change the spring on the factory triggers to get the pull they want. 1620 posts · Joined 2011. New (Other) $160. The firing pin is under a very heavy spring. On the 457 the engagement between the firing pin and top of the sear remain robust. One comment they made was having either the over-travel or the pre-travel screws with too little travel will make the trigger pull heavier. Get CZ Triggers at Midsouth. After installation, they've all come in at 1½ pounds or so. Feb 2, 2019 · Wyocaddis. I know this is an old thread, but it overly complicates what you have to do to get a good light trigger pull on a CZ 457. Trigger springs and trigger jobs are frequently discussed in this forum. Mar 4, 2023 · CZ Receiver and Barrel: 3mm Allen wrench for barrel change at 48 in/lb; Boyd At-One Stock action screws: T25 Torx driver at 10-25lbs; Factory trigger configuration: 1. You will see how to change the trigger pull weight, creep and overtravel, as well as some tips and tricks to get the Nov 1, 2023 · FITS: CZ 457 actions. $6. Initial pull is at one tension, sear release is at a different tension. 09. 75lbs to a modified ~1. I do not know how low you can go on trigger pull, I don’t have a trigger pull gauge. Remove front trigger pin first followed by the rear trigger pin. Twist Rate 1:16 in. First, back out the Sear engagement screw just until the Firing Pin falls. MATERIALS: Trigger and sear come machined from premium tool steels, heat-treated to perfection Trigger is black oxide finished, and sear is NP3 coated. Ruger 10/22 Trigger Assembly by Hornet Custom Black Max Flat Target Trigger. Got 2. To adjust the weight of your trigger, you need to focus on parts 55 [trigger spring screw nut] and 53 [trigger spring screw]. PULLWEIGHT: Adjustable from 10oz. 25”. Oct 14, 2014 · Joined Dec 7, 2009. #247 · Sep 13, 2022. 2) You may have to grind the ends of the pins holding the trigger to the receiver (A) before removing them with an eighth inch drift punch. Sort By: Items Per Page: Item Total: (11) 0 - 11. The first thing you notice is that it looks like nothing you've ever seen before on a CZ rimfire rifle. The Weight of Pull screw is about 8mm long. CZ 457 lighter trigger spring kit 20 $ CZ 457 fiber optic front sight assembly next product: CZ 75B & SP-01, CZ 75 P-01 & Compact , CZ 85 & 97 tritium night Shop JARD CZ 457 Trigger System | 5 Star Rating on 4 Reviews for JARD CZ 457 Trigger System + Free Shipping over $49. Replaced the trigger return spring with a cut off length from my Wolff Gunspring assortment (their Light Duty, Metric 4-4 size fits). CA$19. Use the search feature to find it. Chambering . ethahodg82 (214) 100%. 450 CZK 63,04 € with VAT . Oct 15, 2023 · B. Wire-EDM cut from A2 tool steel, the hardened Exact Edge Extractor and Holder is designed to withstand thousands of rounds Factory CZ 457 trigger. Apr 5, 2024 · I saw a complete description on the three adjustment screws for the CZ 457 factory trigger. CZ 457 Plus 10% Striker Spring. 1 1. 2 1/2 Lbs. Opens in a new window or tab. Remove factory trigger assembly and install the JARD trigger assembly. Someone here in CZ Forum posted a site you can buy springs direct manufacturer at much reduced cost. Apr 16, 2019 · Learn how to adjust your CZ 457 trigger with this easy and informative video. Although fully adjustable it could have made with better adjustments in mind, however, we'll do our best to make due with what we go. For that you will need 7mm wrench. $79. Condition: Rear Sight Assembly CZ 457. Product description. A few weeks ago, a Youtuber did a video on the Jard trigger for the CZ 457. Thus the need for a standard 457 trigger guard/bottom metal. Choose Options. Boyds Custom Laminated Wood Stocks for CZ 457 Rifles. All that's needed is a #25 Torx driver, a 7mm wrench and a 2mm hex wrench. 20 $. Qty. rob811212 (209) 100% positive; Seller's other items Seller's other items; Contact seller; US $25. you will need a 1. It is your responsibility to confirm the dimensions of your firearm with the supplied dimensions of our part. We have this item in stock and it is ready for dispatch. Accessories for CZ 457 models as well as older CZ rimfire models CZ 455 and CZ 512. How you adjust the settings changes the feel. 389 Posts. The secret to becoming more accurate with your rifle? It all starts with an amazing trigger and this trigger, is truly amazing. SAFETY: Trigger blocking 2-position safety. Place the trigger assembly and align the trigger pin over the hole. The break is very crisp and clean. CZ 457 Series Rifle, Trigger Pull Reducer Spring Set, 8oz & 12oz+, All Calibers. If interested, look here in the CZ section for the "Trigger Drawing" (457) Thread, where the subject is discussed in detail. It is also made with our innovative Sear Engagement Adjustment Lock design (SEAL’d) technology, which certifies a user-friendly experience through safety, reliability, and consistency. Free shipping. Trigger Mechanism CZ 457. Reduce the trigger pull to half of what the factory spring will adjust down to, used in conjunction with the sear adjustment screw located on the front of the trigger blade you can now get your trigger pull safely down to under 1 pound, or of course adjust it back up to the 2. This kit is not compatible with the CZ 457 model. Using the popular Boyd’s AT-ONE® stock as its basis, this 457 Varmint variant makes an ideal trainer for the whole family. Facebook. This is my drawing of the CZ457 trigger and how it works for those who are new to the CZ457. 22 LR Right Hand Original. Mar 23, 2020 · YoDave has a 457 spring & installation kit available, but a lot of 457 owners have been able to adjust the factory parts down below 2lbs. (for $15) CZ 457 Trigger Pin W/ 3 e -clips, 304 Stainless, Aftermarket, CZ 457 CZ 455 Trigger Assembly Set . He claimed there was an option for a 3-6 oz pull weight. 8” barrel with no sights and is meant to be topped with a scope. Subscribe to our newsletter. The CZ 457 replacement trigger is precision machined with black oxide trigger coating and has an NP-3 coated sear to ensure maximum lubricity and performance. We offer wide range of parts and accessories for your CZ 457: springs, stocks, compensators, magazines, scope bases & rails, scope rings and much more. 22LR, black (0 x) Code 1002-5101-01 Availability . Last one. All I did was replace the factory spring with a Glock reduced power FPB spring. This is part of a post by member on Snipers Hide. A set of springs used to reduce the resistance of the CZ 457 trigger and increase its accuracy. 22LR, black *Trigger Guard CZ 457 . Ends in 5d 9h. Loosen screws again and retighten at next setting. 22 competition has been availability of a bottom metal to fit the venerable CZ 457. 22 Long Rifle, 22 Winchester Magnum, and . Follow us on Instagram @hkrifleworks Nov 1, 2023 · Understanding the CZ 457 Trigger: The CZ 457 comes with a factory-set trigger, but many shooters prefer a more personalised feel. WANT TO CUSTOMIZE THIS STOCK? Barrel dimensions: Point A = 7/8" Point B = 7/8" Center to center action screws: 5 1/2" ATTENTION: You will need take down screws from the factory stock. Check the overtravel screw adjustment, and THEN try adjusting the trigger down again. Installation is then as simple as bolting the new Timney trigger in place of the factory unit. On two of mine that are strictly bench guns I've gotten them to 12 ounces and they are very good triggers. The hardest part of the project was getting the spring Mar 15, 2023 · CZ 457 trigger weight adjustment. , from the factory, but shooters can customize their triggers for pull weight, take-up and overtravel. 148 x . Like all of our 457s, it has an 11mm dovetail milled into the top of its receiver for attaching scope ringmounts. Add to Compare However, a higher level of precision can be achieved with a few budget-friendly modifications that will take the CZ-457 accuracy to the next level. Timney's customers have been asking for a dedicated CZ Model 457 rimfire trigger for hunting and competition shooting and Timney has delivered. No polishing or anything else. derosnopS. Lighter trigger spring kit from CJ Manufactory for CZ 457 models. #4 · Feb 2, 2019. Apr 24, 2023 · CZ 457 TRIGGER DRAWING. You will save 0 CZK with The store will not work correctly when cookies are disabled. Wishlist. JARD Gen III Trigger for the CZ 457 This new Generation III trigger takes the CZ 457 Trigger up into a new level of refinement. These come from McCarr and are # K627. If you have replaced the factory 457 trigger pull weight spring, the factory trigger pivot pin is held in position by swaging both ends. Sight Adjustment The CZ 457 rimfire rifle enables rear sight adjustment for windage and front sight adjustment for elevation. Screws were loosened from original setting and then tightened to 15 in/lb. Upgrade your CZ457 with Timney's Rimfire Trigger! This replacement trigger is designed to be durable and easy to use, with a pull weight that can be adjusted from 10 ounces to 2 pounds. I prefer triggers that curve at the top but very little at the bottom. CZ. The CZ-457 is a bolt-action rimfire rifle introduced by CZ in 2019. By the way, my 457 trigger did not have a tight fitting pin holding the trigger blade to the rest of the assembly. Silver Finish. The factory trigger from CZ 457 rifles is already amazing as it comes. 5lbs pull) 0. Loosen the 7mm nut. Every component of the trigger is precision machined, and the sear and trigger shoe are heat treated to 56 Rockwell with a black oxide trigger Apr 26, 2022 · The solution CZ adopted in designing their 457 trigger - the trigger bar/sear captured by the mounting pin instead internally, plus the type of a sear spring used in the assembly, while overall a big step up from 452 and 455 in both design and function is imo still not quite ready for prime time. The trigger is precision machined and the trigger’s sear and shoe heat-treated to a 56 Rockwell hardness and finished off with a black oxide coating for the trigger and an NP-3 coated sear for Lighter trigger spring kit from CJ Manufactory for CZ 457 models. Magazine Capacity 5. Scarry. When Jard says 3-6 oz, does this mean that it can be adjusted as low as 3 oz and as high as 6 oz? The classic American-style rimfire rifle, this gorgeous 457 has a 24. Boyds At-One Thumbhole Camo Stock CZ 457 and 457 Varmint Rifle. 2066 Dufferin Street. The new CZ 457 is Timney’s latest overnight success – 75 years in the making. With the push of a button, length of pull can be adjusted from 12. Its Turkish walnut stock has a high, flat comb and a classic checkering pattern. The triggers sear and trigger shoe are precision-machined, heat treated to 56 Rockwell with a black oxide trigger coating and an NP-3 coated sear for maximum lubricity and a lifetime of reliable Duralumin trigger guard from Tactical Evo for CZ 457 models. SKU 02345. Compare. As for trigger shoe geometry, I'm also not a fan of full curve triggers (CZ 457). 123 posts · Joined 2014. About This Item. 2- Adjust Nov 23, 2021 · You can use the search feature to find all threads and posts on CZ 457 trigger adjustment. Purpose Hunting. CZ 457, CZ 512, CZ 455. P. CZ 452 & CZ 455. CZ 455 Replacement Trigger Adjustment 10 Oz. Try the instructions in second link to reduce your trigger pull. 2. Price. I used info from this (and other) threads to clean up my CZ 457 At-One trigger today. Al Flaherty's Outdoor Store. Manufacturer of Professional Grade aftermarket triggers for CZ-USA Rifles. 5”to 14. Ours broke at 3 lbs. Verify the gun is unloaded and remove the stock from the receiver. Three models come Drop-In Ready for match grade trigger pulls of 3-6 oz, 7-10 oz, and 11-12 oz. If you’re looking for a trigger to customize your CZ 550, 452, 455 or 527, Midsouth has them for sale and in stock! The CZ-457 Action. I was skeptical about spending the $157 for the Jul 12, 2023 · CZ 457 TRIGGER DRAWING. 5083-0210-01ND. Each model is screw adjustable for trigger weight. 35 long and has a wire diameter of . MSRP $849. The process of adjustment of the front and rear sights depends on their type. $245. The PDF is a contribution from another member that successfully reduced his with just the three built-in trigger adjustments. Firearm Type Rifle. 99 $130. Jan 9, 2021 · CZ 457 Trigger Spring. 22WMR threaded barrel, and a 20" . I shoot two five shot groups at 1" circles, ten shots at each setting. Unique accessories ️ In stock ️ Quality from Czech republic ️. JARD CZ-457 Trigger - 9 oz. In 10 minutes the trigger pull was adjusted to under 1-lbs. This modification will tighten your groups and make your rifle more consistent *Trigger Guard CZ 457 . EAN code. 85 shipping. 5 watchers. Doug. Nov 23, 2023 · I've done the 611 spring replacement on 3 of my own CZ rifles and two for friends. T15 at 15lbs-20lbs for rings to scope; T20 at 40lbs for rings to receiver Apr 10, 2007 · The people at CZ should be thanked for such a simple easy to work with design. 22 Long Rifle22 Magnum Dec 28, 2021 · 50 posts · Joined 2021. Description. FAL (METRIC) JARD Ultra Match Trigger Assembly for Remington® 700 Ss Evolution® Cz® 457. #1 · Dec 28, 2021 (Edited) I watched this CZ video -. You could probably do the same on your Timney. Screw settings will be at 15,20,25,30 and 35in/lb. 6002-0070-01NDX. In Stock. May 22, 2020 · The trigger arrived preset at 6 and 12 oz, per my request. #2 · Mar 24, 2023. HOW TO ADJUST THE CZ457 TRIGGER 1- Adjust sears engagement screw #49 in until it won't hold, then turn out until it holds. This new Generation III trigger takes the CZ 457 Trigger up into a new level of refinement. CZ® JARD Trigger System for CZ® 457; DESERT TECH. The first stage is smooth, and then you hit the 2nd stage wall. Aug 14, 2020 · Trigger adjustment sequence is very necessary on them. At that point, all that’s left to do is tighten the Torx screw, insert the bolt, and do a function check. $29. 9 ounces. SEAR: Sear Engagement Adjustment Lock design, (SEAL’d) Adjustable Over Travel. There is this trigger spring set from CZ Parts [ link] that reduces the trigger pull weight by 50%. It is chambered in three calibers; . Adjust back 1//4 to 1/2 a turn only. I have 8 extra springs in need of homes for 457 models. $197. 2- Adjust Timney's CZ 457 replacement trigger features the new Sear Engagement Adjustment Lock designed, (SEALd) that ensures a user-friendly experience. 028". CZ 457 stocks CZ 600 stocks CZ 457 fiber optic front sight 1) Note assembly of your trigger guard and magazine, leave bolt in receiver, remove action screws and remove barreled action from the stock. Anyone interested in the details and subtilties of modifying a 457 trigger would be smart to use the search function. com - Trigger kitWe have thoroughly tested our spring kits & shoot what we sell. 018 wire diameter ) you will find the spring that is for sale from Yo-Dave. CZ 457 Timney Adjustable Weight Trigger, Curved Shoe, Set At 1LB From Factory. , 12 ozs. There is no mistaking the wall, it is very definite. Turn screw about 1/4 turn counter clockwise, hand snug nut, cycle bolt, pull trigger to check pull weight, cycle bolt, rap receiver with rubber mallet (or however you do drop tests), make sure safety works, pull trigger. Once loosened up, you can reach the trigger spring screw. 88 shipping. Next. RIFLE BASIX is a U. Jun 24, 2023 · Make a jig out of Delrin or hard wood, drill a 1/4" hole and mark its location. Product Name CZ 457 Varmint MTR. TRIGGER ASSEMBLY SET 457 SKU#: 5083040001. 4. Introducing an Anarchy Outdoors exclusive, CZ 457 bottom metal and integrated small barricade stop. Email Address. 22LR unthreaded barrel, a 20" . 99 $93. JARD Sear Assembly for MDR / MDRX / WLVRN. 1 bid. This may lead to a pin that is loose and doesn't stay in position The Volquartsen Exact Edge Extractor and Holder for CZ 457 enhance the reliability and performance of your CZ 457. $89. 213-CZ55S | Rifle Basix. $118. It's just a quirk of how the Fly was designed, and shouldn't be an issue with other triggers. When the factory pin is removed, it may enlarge the pivot pin hole in the trigger housing. Pre Owned CZ 457 Factory Trigger Assembly – Silver Trigger Shoe $ 50. Toll-Free: +1-800-504-5897 Help Center Check Order Status About Us Policies Reviews How To May 30, 2022 · Mechanically, by definition, it is a 2 stage trigger. I adjusted the screw until the hammer would drop when the bolt was closed. 5mm Allen for the trigger ie sear adjustment, and a 2mm for adjusting trigger weight. FLY TRIGGER ASSEMBLY. – 2 lbs. Quantity Only 1 left in stock. Pre-Owned · CZ. Manufacturer. Quantity. #23 · Oct 25, 2022. BadaBing11 Discussion starter. Trigger guard is made of quality duralumin and it is possible to order it in five colour design (black, blue, red, khaki and gold). Rick B. Add to cart. if you need to adjust travel which I did not will need the same 2mm Allen as trigger. Oct 24, 2022 · 5511 posts · Joined 2004. Share. 375long x . Nov 14, 2023 · I had a very similar issue. The stiff laminate stock provides a nice, rigid platform Cz 457 Trigger Assembly . Use the correct punch 7/64" or 3/32" round nose hardened steel. I wish someone that really knew what they were doing would make a video of the process. Place punch in the pinned area of the pin and try to hit once and hard like you mean business. #1 · Oct 15, 2023. So with the two 457 actions, I also have an American stock, a 24" . We will provide the lug. May 1, 2017 · On the 452 to reduce the creep or trigger travel is was necessary to reduce the contact surface between the firing pin and sear. $18. CZ 457 Trigger Pin W/ 3 e -clips, 304 Stainless, Aftermarket, CZ 457 CZ 455 Trigger Assembly Set . Repeat these checks multiple times. Add to Compare. The CZ 457 series offers exceptional user comfort due to its easy, fast and reliable operation, even with a mounted riflescope. By operating the rifle in the same manner as any other bolt-action This new Generation III trigger takes the CZ 457 Trigger up into a new level of refinement. 1. CZ 457 competition trigger springs + bolt knob. Before embarking on any adjustments, it’s crucial to understand the different components of the CZ 457 trigger system. It was built as an improved version of the beloved CZ 455 rifle and had many of its favorite features and some significant improvements to its appearance The CZ single set trigger (SST) system featured on 453, 527 and 550 models provides the shooter with the options to effectively handle any shooting situation they are presented with. Reduce your CZ 452/455's trigger pull from a stock ~2. The trigger’s sear and trigger shoe are precision-machined, heat treated to 56 Rockwell with a black oxide trigger coating and an NP-3 coated sear for maximum lubricity and a lifetime of reliable CZ 457 trigger upgrade kit by Gunbloke. 7). Product code. pdf I saved this from the thread titled “CZ 457 TRIGGER DRAWING” because questions about the 457 trigger adjustment comes up frequently. Add to Cart. Apr 7, 2020 · CZ designed the 457 with an adjustable, single-stage trigger. Something missing from the field of . Right now my pull weight on my Timney is right at 6 oz and no spring change. Oct 25, 2021 · Taking a look at Timney’s new trigger for the CZ457 and comparing it to the factory trigger with the Yodave kit. For the discriminating shooter demanding the utmost performance from their trigger, our CZ 457 is designed to be robust, user-friendly, adjustable for pull weight and over travel, yet delicate enough to Mar 8, 2023 · View attachment CZ 457 TRIGGER DRAWING by Lefty222 @ Rimfire Central. 22LR threaded barrel, a 20" . The two primary elements to focus on are the pull weight and the creep. Add to Cart . Ensure the spring is aligned with the hole for the adjusting bolt and reinsert the adjustment bolt with lock nut, from here you can adjust the trigger as per the included instructions in the owners manual with a much broader range of adjustment, especially on the lighter side. Sep 24, 2021 · The CZ 457 trigger is OK, but if you've ever shot rifles with excellent triggers, it's, as I mentioned, just OK. 2- Adjust Ceska zbrojovka CZ-53 for CZ-453 Rimfire Rifles – (12oz to 2. But you can make the trigger even better. Then push the cross-pin back in and replace the c-clip. CZ 527, CZ 557, CZ 550 lighter trigger spring Jul 22, 2022 · cwhuebner. Also it comes together with stronger striker spring which further enhances your shooting experience. It's engineered to deliver reliable extraction, ensuring smooth and consistent ejection of spent casings. Each piece is manufactured from 416 Nov 1, 2023 · FITS: CZ 457 actions. s. 00500. Pull weight is adjusted by turning the bottom screw. Every part of the trigger is machined using state-of-the-art technology - no JARD CZ 457 Replacement Trigger Installation 1. The second stage is set at 8 ounces and the difference is so slight. 851 posts · Joined 2009. 148 OD x . The new tactical trigger guard for small-bore rifle CZ 457 can be now purchased as a supplement to your small-bore rifle. CZ 457 adjustable sights with fiber optics. trigger travel length before firing can be carried out using the setting screw C situated in the trigger (Fig. Package includes:1 x Custom Trigger SpringTRIGGER ASSEMBLY NOT INCLUDED - NO GUN PARTS FOR SALE I adjusted pull weight first. Toronto, Ontario. Polishing the flat behind the angled sear engagement surface on the striker will fix that. The trigger is available with a curved trigger shoe with a retail price of $174. Then apply a little more pressure and "the glass breaks". Buy. 00. 198 CZK 52,10 € without VAT 1. Jun 24, 2023 · Premium Member. M6E-3R6. Remove the trigger mounting screw and the mounting pin attaching the trigger housing to the receiver. ACCESSORY CZ 455 MR. This will show the trigger how it works and what each screw does. Our Trigger Spring kit will:Reduce your trigger pullImprove accuracy and overall rifle performanceBe 100% reversible, you can set your trigger back to factory settings anytime. 5 pound range. Comb height is similarly adjustable, with 5/8” of rise available. Shooting accuracy is ensured with its adjustable trigger Jan 24, 2023 · CZ 457 Lighter Trigger Spring. Colour design is solved by Cerakote spraying and the trigger guard itself is designed to best suit new trends. 95. Sear engagement (take up) and over travel are adjusted and pre-set to optimum by the factory. $ 104. 75lbs (Average results can vary up to +/- 1lb) Achieve nearly a 50% reduction in trigger pull for improved accuracy and overall rifle performance. Our CZ 457 replacement trigger features our new Sear Engagement Adjustment Lock designed, (SEAL’d) that ensures a user-friendly experience. See post #28 for exploded view of trigger assy. Tightening up the headspace using bolt shims is the most affordable way to improve the accuracy of your CZ-457 rifle. rbgsqaeukcbxfgxmrvhs