| Caliber |
Manufacturer |
Color |
Weight |
Merchant Price |
Merchant URL |
| None |
Brownells |
None |
None None |
$7.99 |
Brownells
|
Add
|
Prices last checked September 2026.
Prices and availability change often, so confirm on the retailer's site.
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
