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AR-15/M16/308 AR RECOIL BUFFER Reviews & Ratings

Designed for law enforcement, sportsmen, and competitive shooters alike, these hydraulic buffers help reduce recoil, while diminishing wear and tear on parts. The sealed hydraulic cylinder is made of 17-4 stainless steel and features a nickel-plated cylinder rod with a high-impact striker cap. Hydraulic buffer easily replaces standard mass and spring buffer. Built to Mil-Spec standards, and U.S. Army tested, these buffers have been demonstrated to reduce cyclic rates, helping save ammunition and improve accuracy.

SPECS: 17-4 stainless steel, sealed hydraulic cylinder. High-impact striker cap. Nickel-plated cylinder rod. AR-15 Carbine Buffer - 3.75" OAL. AR-15 Fixed Stock Buffer - 6.25" OAL. AR-.308 Shorty Collapsible Stock Buffer - 2.75" OAL. Fits DPMS and CMMG style M-4 .308 stocks that use a 2.5 inch buffer system. DO NOT USE ON ARMALITE AR-STYLE .308 CARBINES AS UPPER AND LOWER RECEIVER DAMAGE CAN OCCUR. AR-.308 Standard Collapsible Stock - 3.75" OAL. Fits AR-.308 style ArmaLite AR-10 carbine, LMT, Sig Sauer, Noveske and LWRCI .308 rifles with collapsible stocks and others of the same length. DOES NOT FIT SHORTER DPMS CARBINE TUBES. AR-.308 Fixed Stock - 5.75" OAL.

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Reviews Summary

The KynShot hydraulic recoil buffer receives mixed reviews regarding its effectiveness and reliability. Many users appreciate the reduction in felt recoil and smooth operation, particularly in heavier calibers. However, some note concerns about durability, suggesting it may not be suitable for duty use. Customer service and shipping are praised, enhancing the overall experience.

What Reviewers Are Saying

Recoil Reduction

60%

A significant number of reviewers report noticeable reduction in recoil, praising the buffer for enhancing the shooting experience, particularly in heavier calibers like .308 and 9mm setups. Users feel that the product transforms recoil from a sharp snap to a softer push, making shooting more enjoyable. Approximately 60% of reviewers commented on this aspect.

Durability Issues

35%

Several customers express concerns regarding the longevity of the product, reporting failures after several hundred to a few thousand rounds. They mention that this raises flags about the buffer's suitability for serious or duty-bound rifles. Around 35% of reviewers highlighted this issue, indicating a significant concern.

Ease of Installation

45%

Many users found the installation process straightforward and simple, contributing to a positive initial experience with the product. This is mentioned by approximately 45% of reviewers, underscoring its user-friendly design.

Value for Money

25%

Some reviewers feel that while the buffer offers substantial benefits, its price point may not be justified for all users, especially those with standard AR setups. A minority of reviewers expressed that they expected more from the product given its cost, leading to discussions on overall value. About 25% mentioned concerns regarding value.

Customer Service and Delivery

50%

Positive experiences with customer service and fast shipping are frequently noted among reviews, which enhances the overall satisfaction with the purchase. Quick delivery times and helpful service contribute positively to the buying process for around 50% of reviewers.

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Kind of worked

Put it in my bcm .223/5.56 and worked on semi auto but didn't lock the bolt back on the last round I tried it with an Frt and it would only get about 2 rounds before it wouldn't completely cycle maybe better for heavier rounds more gassy AR or with a lighter spring but didn't work with my setup

by Raul on December 29, 2025

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good for 556 but not for 450 bushmaster

tried it in my colt ar15 had no recoil, put it in my 450 bushmaster cut down recoil but it wont cycle, jams

Hydraulic buffer

It worked amazing for the first 1500 shots but then broke .