Description
Gemtech GVAC upper receiver is built for .223 Rem/5.56 NATO with a 16.1 in, 1:8 twist barrel and a pinned low-pro GVAC gas system. The Mil-Spec upper receiver has M4 feed ramps, and the assembly includes a Gemtech ETM flash hider. A 15 in Midwest Industries M-LOK free-float handguard runs along a continuous Picatinny top rail, with integrated QD sling sockets.
- GVAC system with enhanced bolt carrier profile and GVAC-profile gas setup
- Mil-Spec upper receiver with indexing marks and M4 feed ramps
- 15 in M-LOK free-float seven-sided handguard with integrated QD sling sockets
- ETM flash hider with 1/2×28 TPI muzzle threads
| Fits | AR15 uppers |
|---|---|
| Part Type | Accessory-Uppers |
| Caliber | .223 REM/5.56 NATO |
| Barrel Length | 16.1 in |
| Rate of Twist | 1-in-8 in |
| Thread Pitch | 1/2×28 TPI |
| Gas System | Pinned Low-Pro GVAC Gas Block, Mid-Length GVAC |
| Finish | Type III Hard Coat Anodized (Aluminum), Nickel Boron (BCG) |
