18" 6.8 SPC II Upper AR15 Receiver Stainless Steel 1x11 Gen 2 M Lok Rifle Length Rail
*Milspec forged aluminum upper receiver with forward assist and dust cover
assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class 2. M4
feed ramps. Forged from 7075 T6 aluminum.
*New and improved Narrow Profile Gen 2 Rifle Length free
float rail with steel barrel nut and front section rails for adding
accessories. Smooth middle section allows for a more comfortable grip.
If you want to add more rail sections, picatinny rail sections will
fit in the empty elongated slots on the hand guard.
*18” 6.8 SPC Spec II 416R Match Grade Stainless Steel HBAR Barrel with 1x11 twist. 5/8x24 threads.
*.750 Low Profile Gas Block.
*Midlength Gas Tube.
*A2 Flash Hider with crush washer.
*This upper assembly will fit all standard AR 15 lower receivers