Brownells Brn-4 Buffer Retainer

Brownells Brn-4 Buffer Retainer

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Description
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...
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