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14.5 inch or 16 inch M4 Barrel. 5.56 NATO. 1x7 twist. 4140 Steel. Salt Bath Nitride Chamber, Bore, and Finish. Carbine or Mid-length Gas System. A4 Barrel Extension, 8620 Steel. Index Pin Installed TDC. Threaded Muzzle Crown. Threaded 1/2-28. Labeled Between Gas Block and Muzzle with Caliber and Twist. Package Contents: Franklin Armory M4 5.56 NATO Barrel
Specifications
- Manufacturer:
- Franklin Armory
- Category:
- barrel
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- Length:
- 14.5" - 16.0"
- Estimated velocity:
- 2,650-3,025 fps
- MPN:
- 0052517BLK
- Required Component:
- Yes
Estimate only. Based on caliber + barrel length bucket. View details
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