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Guides & Resources
- USPSA Limited Optics Setup Guide 2026: 2011 Rules & Gear
- Best USPSA Carry Optics Pistol 2026: Staccato 2011 vs CZ Shadow 2 vs Tanfoglio Stock 2
- CZ Shadow 2 Disassembly & Competition Pistol Cleaning Guide: 2011, Staccato & Tanfoglio Mainten
- Complete Guide to 1911/2011 Progressive Recoil Springs for Competition Shooting
- 1911/2011 Red Dot Mount: RMR, ACRO, K Fitment Guide 2026
Customer Reviews
Overall rating: 4.9 / 5 from 115 reviews.
If you are running a CZ Shadow 2 OR with custom low-power-factor reloads, the 10lb Boss Components Progressive Spring is a game-changer. I swapped this into my optics-ready setup to tune it specifically for my tailored hand loads, and the performance is incredible. It tracks beautifully, eliminates slide dip, and ensures 100% cycling reliability even with lower-pressure rounds. The progressive rate does a fantastic job of absorbing the recoil while keeping the dot steady in the glass. It is an absolute must-have for anyone looking to optimize their Shadow 2 competition rig!
Craig R. 5/5 Verified
I installed the Boss Components Progressive Spring into my CZ Shadow 2 Optics Ready (OR), and it has been absolutely stellar. After extensive use, it has run smoothly without a single incident, hitch, or malfunction. The progressive tension is a perfect match for the Shadow 2's slide weight, delivering a noticeably smoother recoil impulse and keeping the red dot tracking flat for incredibly fast follow-up shots. It feels robust, well-engineered, and handles factory ammunition perfectly. If you want reliable, match-grade performance for your Shadow 2, this is a flawless upgrade.
Craig R. 5/5 Verified
Adding this recoil spring has greatly improved. How flat my gun shoots now It has made a significant difference. And i'm so very happy that I added this into my pistol
Charles M. 5/5 Verified
Very fast postage and good quality product
Mick B. 5/5 Verified
The new spring and tungs and guide rod are sucredible. It helps control the recoil exponentially
Charles M. 5/5 Verified
Affordable springs for fine tuning to your needs.
Luke K. 5/5 Verified
Quicker splits with the progressive spring over the linear
Steve C. 5/5 Verified
Great products!
Michael B. 5/5 Verified
Awesome company and products !
Michael B. 5/5 Verified
As expected, makes a difference.
Peter G. 5/5 Verified
Great product and craftsmanship, just what I was looking for
Mike I. 5/5 Verified
You need to make these for Sig axg 9mm
Warren C. 5/5 Verified
Installed in an Apollo and a Bul working splendidly. Thanks for the fast shipping. I bought extra. But will be buying more in the future. Cheers Frank
Frank O. 5/5 Verified
Excellent quality
Jorge C. 5/5 Verified
Great product!!! Eqsy transaction and fast delivery
Ferdinand B. 5/5 Verified
I highly recommend getting your information from the experts at Boss Components. Using an incorrectly weighted spring can cause firearm malfunctions and create a serious safety risk, particularly for novices. The Boss Components spring works perfectly, and I was very impressed with their service and fast delivery.
Carrol P. 5/5 Verified
Love the feel of the progressive springs, soft start but tightens up enough to handle loadd nicely
Jeff A. 5/5 Verified
Bought several progressive springs from Boss Components for my Staccato XL (2011). The problem I was trying to solve was misfeeds with the factory spring (7 lb) when using low muzzle energy 9 mm ammo, specifically 147 gr, 900 fps rounds. The BC 7 lb (nominal) progressive spring solved the problem. Note that the factory spring measured 7.5 lbs at full travel while the BC was 10.5 lbs, much better at closing the slide. The progressive spring basically acts like a 7 lb spring in terms of felt recoil, but reliably closes the slide, more like a 10 lb spring. Solved my problem without noticeably increasing the felt recoil. For 2011 shooters, note that the barrel ramp is steep and builds up carbon quickly. Flat head rounds (e.g., Syntech) are especially prone to "stick" to a dirty ramp, which causes misfeeds. Other causes are riding the slide with your thumb and of course a spring that is too weak.
Jay J. 5/5 Verified
Easy fitment and runs great!
Tallin J. 5/5 Verified
gun run smooth….
Rolando C. 5/5 Verified
Received the Items on Time, shipping went smooth
Lester C. 5/5 Verified
10 lb progressive spring made the gun return exceptionally well
Justin S. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
Highly recommended!
Jericho D. 5/5 Verified
Bought for a DWX. Progressive rate feels good! Clipped 1.5 coils to shorten slightly and prevent bunching, runs great!
Alex C. 5/5 Verified
Boss never fails to deliver great service and great products
Damien C. 5/5 Verified
Great company to deal with. Fast service and delivery. Highly rated.
Stephen W. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
These recoil springs are now a must have, I will definitely be buying more in the future!
Steven P. 5/5 Verified
Best recoil springs ever!!!!
Steven P. 5/5 Verified
Great company to deal with. Thank you for your help.
Dominic T. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
Fits the open gun perfectly
Brad H. 5/5 Verified
Fits the open gun perfectly Great product
Brad H. 5/5 Verified
Solid springs with consistent results.
Abdul Aziz H. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
Great spring 👌
Mark C. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
The best spring
Mark C. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
Much easier to make initial loading of a bullet into a gun with an 11 lb spring
Vuica S. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
I like the design of this spring and the feel of my S2 recoil impulse. I am currently using the 12lb progressive spring with the Boss tungsten guide rod. The slide closes a little more slowly than I am used to, but I havent had any malfunctions with factory Blazer ammo
Henry J. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
Looking forward to next competition, the CZ is so much slicker than before
Paul T. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
All good
Dean C. 5/5 Verified
Good
Eric F. 5/5 Verified
CZ 75/Shadow 2 Progressive Recoil Spring | Performance Upgrade
