HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

Hk

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

Best price $2179.00 at Primary Arms across 3 retailers

View at Primary Arms

Category
Accessory
MPN
51000384
UPC
00642230270213

Price comparison

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Price history

    Current best $2179.00All-time low $1887.99 (Jul 2, 2025)Highest $2179.00