by
CHT1,
Verified Owner
from FL, United States
Written on December 19, 2025
The description says aluminum construction and 5.6 oz. (That would be with weights) but this is solid steel buffer, and since most AR9 are blowback with a solid bolt (AR-15 bolt & carrier moves) combined with the solid buffer it causes bolt bounce. Don't buy it, get a buffer with moving weights.
Would recommend: No
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by
Chris,
Verified Owner
from PA, United States
Written on December 17, 2025
I didn’t have any issues with this buffer. It’s machined from a solid piece of metal and feels noticeably heavier than a standard AR‑15 buffer, exactly what you want when running a 9mm setup.
Would recommend: Yes
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Carlo Lopez,
Verified Owner
from NV, United States
Written on July 19, 2025
Works great and as always optic planet is quick to ship and good prices
Would recommend: Yes
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by
Glenn Duncan,
Verified Owner
from TN, United States
Written on February 6, 2025
This buffer solved all my feeding issues in my AR with 350 legend .
Would recommend: Yes
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by
Ron Rigz,
Verified Owner
from CA, United States
Written on November 1, 2024
Used on my 8" AR 9mm pistol build. Got a red carbine buffer spring combined with this buffer to slow down bolt cycle. Also reduced felt recoil a bit.
Cons:
- None if used properly with good buffer spring
Best Used for:
- Slowing cyclic rate on 9mm pistol
Would recommend: Yes
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by
colthero,
Verified Owner
from WI, United States
Written on May 22, 2024
I kept getting 9 mm rounds stuck nose up in the chamber. I figured my bolt was moving too quickly cuz I only had a standard weight. Bought this in order to weigh it down. Fixed my problem. I deduct one star because this is made of a solid piece of steel and does not have moving weights on the inside.
Would recommend: Yes
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by
law,
Verified Owner
from VA, United States
Written on July 24, 2022
Waste of money. I fired 23 rounds of 9mm with this buffer and the end bumper shattered into pieces. I've never seen a buffer so that before. It's not worth returning. Just learn from my mistake and spend a few more dollars on a good buffer for your ar9
Would recommend: No
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by
Bigboy,
from CA, United States
Written on December 25, 2020
Excellent speed reduction for ar40 build. The additional weight noticeably reduces bolt carrier group action. A must add instead of the standard light AR buffer! Used a 5.3 ounce instead of 4+ oz to slow ejection and extraction.
Pros:
- Perfect additional weight
Would recommend: Yes
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