Aero Precision M5 .308 Carbine Buffer Kit

Manufactured by Aero Precision
SKU: APRH100158
MPN: APRH100158
Manufactured by Aero Precision
6 Reviews

Out of Stock

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The Aero Precision M5 .308 Carbine Buffer Kit includes a MIL-SPEC 7075-T6 aluminum 6-position receiver extension. A .308 carbine buffer, buffer spring, end plate and castle nut, are also included.

NOTE: Buttstock not included.

Weight: 10.2 oz
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BrandAero Precision
TypeStock Hardware Kit
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

Ratings & Reviews

6 reviews


Great kit

by -

Great buffer tube kit. Function was good. Fitment of buffer inside tube could be a little tighter.

Works great

by -

Works and fits great on the Aero M5 lower.

Nice works fine!

by -

Got it in greased it up and installed it and it works great thanks

Call me a wimp, but my 16" mid length AR10 with this kit kicks like a mule

by -

My AR10 kicks so hard that I flinch just thinking about squeezing the trigger. I have a 16" mid length AP upper. I'm going to try a heavier buffer weight to lessen the recoil before the flinching becomes a habit.

Thank you for taking the time to speak with me regarding the M5 buffer kit. We hope your new buffer and muzzle brake help with the felt recoil. Please do not hesitate to reach out to us if you run into any issues with the buffer and the brake.

After adding a muzzle brake, and a heavier buffer it shoots much nicer

by -

When I first purchased this kit, the AR-10 really kicked --so badly that it was causing me to flinch before pulling the trigger. After seeking advice I changed to the Expo Arms 0.308 Heavy Carbine Shorty Buffer 5.3 oz, and added a Precision Armament M4-72 muzzle brake and now it is much nicer to shoot.

Keeping it Simple

by -

I’m gonna give this one a try and see if it works with the M5 Upper and maybe add a Precision Armament M4-72 to it, being that some had an issue with the kick. Will see and I’ll come back and update accordingly.