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Guntec 16″ 5.56 1:7 Twist M4 4150 Barrel-FREE SHIPPING
Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.
- M4 Contour Profile
 
- Markings Spiral Engraved Near Break
 
- .750 Gas Platform System
 
- High Heat Cerakote Paint
 
- M4 Feed Ramps
 
- Carbine Length Gas System
 
- Black Nitride Coating
 
- 4150 Chromoly Steel
 
- 5.56/.223 Chambered in 5.56×45
 
- 1:7 Twist
 
- 1/2 by 28 Thread
 
                                                                  