AR-15 Heavy Carbine Buffer Assembly
$21.99 at Brownells
In stock
Best price
$24.95at CMMG
checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| CMMG Best price | $24.95checked Oct 1, 2026 | Check store | Buy at CMMG | |
| Brownells | $23.85checked Oct 1, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $45.99checked Oct 1, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $23.85 | $23.85 | $23.85 |
| CMMG | $24.95 | $24.95 | $24.95 |
| OpticsPlanet | $45.99 | $45.99 | $45.99 |
Since Sep 28, 2026.
About this part
The AR-15 Mk3 Buffer Assembly is an AR-15 buffer part from CMMG. It's sold by 3 stores, from $23.85 to $45.99.
Specifications
- Manufacturer
- CMMG
- Type
- Buffer
- Platform
- AR-15
From the manufacturer
MK3 Buffer Assembly to be used in any standard AR-15. Mfg: Cmmg
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