Items Available For Purchase Today Object reference not set to an instance of an object. See All HK MR 556 A1 upper w/quad rail For Sale from: Jays Guns and Accessories ( FFL) | Positive feedback: 99% View | Verified Seller | 11718 Completed Sales View Sellers Items HK MR 556 A1 upper w/quad rail For Sale from: Jays Guns and Accessories | Positive feedback: 99% View | Verified Seller | 11718 Completed Sales View Sellers Items Jays Guns and Accessories Seller Since: May. 2001 Identity Verified ( CRESTVIEW, FL ) Trusted Seller This seller is an FFL City: Crestview State: FL SOLD - $2,099.99 3% Credit Card Processing Fee will apply. Shipping: $25.00 (or FREE in-store pick up!) Accepted Payment Methods: Returns: Only if Defective This Seller Accepts Instant Online Payments Description: This is a new Heckler & Koch MR 556 A1 upper. This upper has a full length picatinny rail, a quad railed forearm, a bird cage flash hider, and a piston driven system. This cool .223 upper comes with a buffer, the buffer spring, and a hard case. Condition: New In Box Item #: 967979114 Stock No.: UPPER30 Location: FL Trades Accepted: Share: Shipping Notes: See Description Items You've Viewed Recently HK MR 556 A1 upper w/quad rail $2099.99 SELLER: Jays Guns and Accessories (FFL Dealer) Add To Cart