German HK marked MR556 & HK 416 factory bolt carrier with the newer style bolt retaining key. This is the factory one-piece carrier that has the out of battery disconnect and the bolt retaining latch assemblies installed to make up the HK MR556 (556 Nato) carrier complete. Just add your bolt, firing pin and firing pin spring to make a complete bolt assembly.
H&K HK MR556/416 Bolt Carrier
H&K Heckler & Koch
$599.95
- SKU:
- HKP-02718
- Firearm Model:
- HK MR556
- Firearm Model:
- HK 416
- Caliber:
- 5.56 / .223
- Color:
- Black
- Material:
- Steel
- MPN:
- 236266