Filter
Add to Wishlist
HK MR556 5.56 16.5 MLOK UPPER RECEIVER KIT

HK MR556 5.56 16.5 MLOK UPPER RECEIVER KIT

UPC: 642230262607

*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

Out of stock

*Total available from multiple warehouses, Please call for in-store availability.

Shipping Weight 8.6 lbs
Brand Hk (Heckler & Koch)
Caliber 223 Remington, 5.56 NATO
Type Complete Upper Receiver
Gauge N/A

Reviews

There are no reviews yet.

Be the first to review “HK MR556 5.56 16.5 MLOK UPPER RECEIVER KIT”