bspring Posted June 13, 2025 Report Share Posted June 13, 2025 (edited) Custom made new Sterling SMG recoil spring, this is the rear main spring which does most of the work. No other spring manufacturer makes these commercially available. This is 5-10%+ more power over stock, closed end coils are ground like the original factory spring. Have 50+ units made, quantity discounts available. Fits and functions very well. Bring your unit back to factory specs for better running over the 40-70 year old original recoil spring.. $13 each, $9 priority mail shipping. Below is copy/pasted feed back from a satisfied customer: Tested today with several different makes of ammo. No excessive bolt travel, worked 100 percent, even with 147 grain. Email if interested, Bill wspringfield@comcast.net Edited July 15, 2025 by bspring Quote Link to comment Share on other sites More sharing options...
bspring Posted June 29, 2025 Author Report Share Posted June 29, 2025 BTT Quote Link to comment Share on other sites More sharing options...
bspring Posted July 15, 2025 Author Report Share Posted July 15, 2025 BTT Quote Link to comment Share on other sites More sharing options...
bspring Posted August 10, 2025 Author Report Share Posted August 10, 2025 BTT Quote Link to comment Share on other sites More sharing options...
bspring Posted September 21, 2025 Author Report Share Posted September 21, 2025 BTT, 45 recoil springs left, money back if not satisfied. Quote Link to comment Share on other sites More sharing options...
bspring Posted October 19, 2025 Author Report Share Posted October 19, 2025 btt Quote Link to comment Share on other sites More sharing options...
bspring Posted November 26, 2025 Author Report Share Posted November 26, 2025 btt Quote Link to comment Share on other sites More sharing options...
bspring Posted December 13, 2025 Author Report Share Posted December 13, 2025 BTT Quote Link to comment Share on other sites More sharing options...
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Redman Posted June 1 Report Share Posted June 1 Any springs left ? Quote Link to comment Share on other sites More sharing options...
bspring Posted June 1 Author Report Share Posted June 1 Sure do contact me at wspringfield@comcast.net, most get more than 1. Thanks, Bill Quote Link to comment Share on other sites More sharing options...
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