AR-15/M16 RIFLE LENGTH REDUCED POWER ACTION SPRING Reviews & Ratings

High-quality, reduced power, action spring helps cure feeding problems caused by excessive bolt "bounce" in fixed-stock rifles configured for 3-shot burst or full-auto modes of fire. Helps shooters fine-tune action cycling for light, target/varmint loads in semi-auto rifles.

SPECS: Tempered, spring steel. Fits .223 cal. AR-15/M16 rifles with fixed A1/A2 rifle stocks. Not for use in adjustable stock carbines.

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100%

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Reviews Summary

Overall, customers are highly satisfied with the AR-15/M16 reduced power action spring, highlighting its effectiveness in resolving cycling and feeding issues across various AR builds. Many report improved performance and reduced recoil. A few note its longer length compared to typical springs, but this doesn't detract from its functionality. Installation is generally seen as straightforward, contributing to a positive experience.

What Reviewers Are Saying

Performance Improvement

100%

Many reviewers emphasize the effectiveness of the spring in resolving issues such as short stroking and feeding problems, leading to a noticeable enhancement in their rifles' cycling and overall function.

Ease of Installation

83%

Several customers appreciate the straightforward installation process of the spring, which adds to their positive experience, making it an easy upgrade for home-built or modified rifles.

Compatibility with Various Ammo

67%

Reviewers frequently mention the spring's compatibility with different types of ammunition, including mil-spec ammo and reloaded rounds, which enhances its appeal to a wide range of users.

Recoil Reduction

50%

A few customers note that the reduced power of this spring contributes to lowered felt recoil during shooting, making it more comfortable to use over extended periods.

Spring Specifications

33%

Some reviews highlight that the spring is longer and made with a lighter gauge than usual, although this has not led to any negative experiences, indicating it may require consideration for certain setups.

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Fantastic Option for Undergassed Uppers

This spring was a quick fix for an undergassed up that kept short stroking and failing to feed. After installation the rifle cycled flawlessly.

Would you recommend this? Yes, I would recommend to a friend

by BRIAN AMES II on November 03, 2025

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Fixed Problems

My AR builds were having bad, weird problems with locking shut both with and without feeding a round. I tried changing buffers and BCG's. This spring fixed everything, and the ejection pattern is now 3 O' clock as it should be. Works great with mil-spec ammo M855 and a large variety of reloads. Spring is a little longer than some springs but made with a lighter gauge. Now my AR goes bang, bang, bang as it should.

It works!

I had problems getting my new AR-10(home built) to cycle. This spring fixed it and at the same time seems to reduce felt recoil.

Problem Solved

My M16 clone rifle was having issues with recycling and feeding. So I decided to give this reduced power spring a try and guess what? This spring cured the recycling and feeding issues on my M16. I shot about 60 rounds to test fire it and I had zero malfunctions. I was so relieved.

Wolff reduce power

This spring work great with my piston system. No more cutting buffer spring for cyclic of bolt carrier. Install this spring my gun run great. I recommend this spring to other.

Works as advertised

This buffer spring solved all of my short stroking problems when I shoot lower powered .223 instead of the 5.56. Easy to install and works great