FN 15 Upper Receiver Assemblies are meticulously built in FN’s Columbia South Carolina manufacturing facility alongside US Military contract M4 rifles. Each upper receiver is supplied with and M16-style Bolt Carrier Assembly with properly staked gas key and Carpenter 158 Magnetic Particle Inspected (MPI) bolt, charging handle and FN’s venerable cold hammer-forged barrel.
Made In United States of America
| Cartridge | 5.56x45mm NATO |
| Color | Black |
| Finish | Anodized |
| Material | Aluminum |
| Barrel Length | 16 Inches |
| Barrel Material | Steel |
| Barrel Finish | Black |
| Twist | 1:7 Inches |
| Threads | 1/2″-28 |
| Sights | Yes |
| Chrome Lined | Yes |
| Gas Block Diameter | 0.75 Inches |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | A3 Flat-Top |
| Bolt Carrier Assembly Included | Yes |
| Muzzle Device | A2 Flash Hider |
| Mil-Spec or Commercial | Mil-Spec |
| Country of Origin | United States of America |
| Compatible With |
AR-15 |
WARNING:ÂCancer and Reproductive Harm – www.P65Warnings.ca.gov.
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