CA Compliant
CA Compliant
PC §32100 Exempt
PC §32100 Exempt
Brand
Brand
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Caliber
Caliber / Gauge
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Capacity
Capacity
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Barrel Length
Barrel Length
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Action Type
Action Type
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HECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 11″
$2,179.00
HECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 11"
HECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 16.5″
$2,179.00
HECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 16.5"