| Shipping Weight | 8.6 lbs |
|---|---|
| Brand | Hk (Heckler & Koch) |
| Caliber | 223 Remington, 5.56 NATO |
| Type | Complete Upper Receiver |
| Gauge | N/A |
HK MR556 5.56 16.5 MLOK UPPER RECEIVER KIT
UPC: 642230262607
Current Price: $1,858.80
*Pricing and availability are subject to change at any time without notice.
The MR556A1 Upper Receiver Kit includes a complete upper receiver/barrel assembly bolt carrier assembly buffer and buffer spring allowing most high-quality 5.56 mm AR-style rifles to be retrofitted to HK
20 in stock
*Total available from multiple warehouses, Please call for in-store availability.
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