Description
Buy Colt M4 M4A1 Barrel AR-15 Pistol 5.56x45mm 14.5″ 1 in 7″ Twist Government Contour Carbine Gas Port with Front Sight Base Chrome Lined Chrome Moly Matte Online
The Colt AR-15 Barrel features a true 5.56x45mm NATO Chamber for use with both commercial and military surplus ammunition, while the 1 in 7″ Twist Rifling is capable of stabilizing light to medium weight projectiles of up to about 77 grains. In 1963 the AR-15 and M16 5.56mm automatic rifles “made Colt the small-arms sensation of modern warfare”. Their unmatched accuracy, performance and durability are available in their direct descendent, the Colt semiautomatic-only, sporting rifles. They’re ideal for hunting, plinking and competition shooting.
Specifications
| Cartridge | 5.56x45mm NATO |
| Color | Black |
| Finish | Matte |
| Material | Chrome Moly Steel |
| Extra Features | A2 front sight base |
| Length | 14.5 Inches |
| Twist | 1:7 |
| Threads | 1/2″-28 |
| Barrel Contour | Government |
| Chrome Lined | Yes |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Carbine |
| M4 Feed Ramps | Yes |
| Country of Origin | United States of America |
| Compatible With |
AR-15
|
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