Brn AR-308 308 Caliber Rifle Buffer
$10.52 at Brownells
In stock Sale
Best price
$10.70at Brownells
In stock Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Buffer system
- Pistol · Buffers and springs
Specifications
- Manufacturer
- Ergo Grips
- Color
- Black
- Platform
- AR-9
- Material
- Aluminum
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price 17.76% off · ends Nov 15 · exclusions apply | $10.70checked Nov 13, 2026 | In stock | Buy at Brownells | |
| Battlehawk Armory | $9.00Salechecked Oct 23, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $9.99checked Oct 19, 2026 | Check store | Buy at Palmetto State Armory | |
| OpticsPlanet | $11.49Salechecked Nov 12, 2026 | Out of stock | Buy at OpticsPlanet | |
| Ammunition Depot | $13.99checked Oct 21, 2026 | Out of stock | Buy at Ammunition Depot |
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
Lowest in-stock price in the last 30 days: $10.70 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | — | $13.99 | $13.99 |
| Battlehawk Armory | — | $9.00 | $9.00 |
| Brownells | $10.70 | $10.70 | $10.70 |
| OpticsPlanet | $11.49 | $11.49 | $11.49 |
| Palmetto State Armory | — | $9.99 | $9.99 |
Since Sep 27, 2026.
About this part
The Pistol Caliber Carbine Spacer 9mm Aluminum Black is an AR-9 buffer part from Ergo Grips. It's sold by 5 stores (1 in stock), from $9.00 to $13.99. The lowest in-stock price in the last 30 days was $10.70 at Brownells.
From the manufacturer
The ERGO Pistol Caliber Carbine Buffer Spacer is designed for use with carbine length buffers on AR firearms. Helps to limit rearward travel and lessens the chances of breaking bolt catches. Can be used with 9mm, .40, and .45 caliber. Machined from 6061-T6 aluminum. Mfg: Ergo Grips
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