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Mfg Item #: 00-40008-BLK
Crafted to Proven Perfection, M4 Patrolman's complete upper receiver is designed to be the heart of Bushmaster Firearms. Durable and Reliable Platform made in the U.S.A.
| Model | M4 Flat Top AR15 Complete Upper Assembly |
|---|---|
| Casing | Black |
| Finish | Black |
| Caliber | 5.56 NATO |
| Barrel Type | Salt Bath Nitride |
| Barrel Length | 16" |