Description
Andro Corp Ind. / ACI 5″300 Blackout Upper Receiver | A2 | 4″ M-LOK | Black | Without BCG & CH
With a 5-inch barrel made of Chrome Moly Vanadium and a twist rate of 1-5, the300 BLK AR-15 Upper from Andro Corp Industries offers dependable performance. It comes fitted with a sleek M-LOK hand guard, allowing for easy customization with your favorite accessories. Constructed from Mil-Spec 7075 T6 aluminum and featuring T-marks, the upper is also dry film lubricated to ward off corrosion. Its use of Mil-Spec components makes it a trustworthy choice.
| Barrel | Specifications |
|---|---|
| Caliber | 300 BLK |
| Length | 5″ |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Medium |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | Micro |
| Gas Block Journal | .750″ |
| Dimpled? | No |
| Twist Rate | 1:5 |
| Muzzle Thread | 5/8x24TPI |
| Weight | 12oz |
| Barrel Extension | M4 Feed Ramps |
| Target Crown | 11 Degree |
