AR-15 Buffer Retainer Stainless Steel
$7.60 at Brownells · 5 stores
In stock
Best price
$7.99at Brownells
In stock Sale checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $7.99Salechecked Oct 1, 2026 | In stock | Buy at Brownells |
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: $7.99 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $7.99 | $7.99 | $7.99 |
Since Sep 27, 2026.
About this part
The Brn-4 Hk416 Buffer Retainer is an AR-15 buffer part from Brownells. One store lists it, Brownells at $7.99. The lowest in-stock price in the last 30 days was $7.99 at Brownells.
Specifications
- Manufacturer
- Brownells
- Type
- Buffer
- Platform
- AR-15
- Material
- Steel
From the manufacturer
The BRN-4 Buffer Retainer is the perfect buffer retainer for HK416 or MR556 type firearms. Machined from stainless steel to exacting dimensions. Will not work in AR-15/M16 firearms. BRN-4 or HK416/MR556 lower receiver with roll pin retention of the buffer retainer is required. Mfg: Brownells
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