HK UPPER MR556A4 5.56 11 BLK
Brand: HK
UPC: 642230270220 • MPN: 51000385
Description
The HK UPPER MR556A4 5.56 11 BLK is a high-quality upper receiver assembly designed for AR-15 platforms. Manufactured by Heckler & Koch, this unit features an 11-inch barrel with an anodized black finish, delivering a sleek and durable exterior. It incorporates HK's renowned piston and pusher rod system, replacing the traditional direct-impingement gas tube to reduce fouling and enhance reliability. Engineered to retrofit Mil-Spec 5.56mm AR-style rifles, the MR556A4 upper combines German precisi...
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| Store | Price | Shipping | FFL Page | |
|---|---|---|---|---|
| Gas & Brass Armory | $2179.00 | Guns $24.95 - Accessories $15.00 | View FFL Page | View Offer |
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