DSI 5.56 7.5" Pistol 1:7 Threaded Nitride Barrel
496377070386
Description
DSI 7.5" 5.56 NATO AR-15 Barrel – MTOP Profile
The DSI 7.5" 5.56 NATO SOCOM Barrel is manufactured in-house for compact AR-15 pistol and registered SBR builds. Machined from 4150 chrome moly vanadium steel, it combines a heavy-duty SOCOM profile with a fast 1:7 twist and pistol-length gas system.
The barrel features M4-style feed ramps, a .750-inch gas block journal, 1/2-28 threaded muzzle, and a nitride-treated finish for wear and corrosion resistance. Its 7.5-inch length provides a compact foundation for short 5.56 NATO upper assemblies.
Proudly made in the USA.
Technical Specifications
| Caliber | 5.56 NATO |
| Barrel Length | 7.5 inches |
| Profile | MTOP/Medium Taper |
| Material | 4150 chrome moly vanadium (CMV) steel |
| Twist Rate | 1:7, button rifled |
| Gas System | Pistol length |
| Gas Block Journal | .750 inch |
| Feed Ramps | M4 style |
| Muzzle Thread | 1/2-28 |
| Finish | Nitride treated |
Specifications subject to change without notice.