LU-MC55-1806-SPR: CMMG 18" SPR
Flat Top Upper - Midwest SS Series Free Float w/Vortex - 1/8 Twist
Each CMMG SPR barrel is individually magnetic particle tested to ensure
quality. Built with CMMG Forged A3 Flat Top upper receivers with T marked optic
rail slots and extended feed ramp cuts (M4 feed ramps) for reliable
chambering. SPR Barrels are engraved CMMG WASP 5.56 NATO 1/8. Each CMMG M4 Upper
is pre head spaced and test fired before shipping and include a Semi-Auto Bolt
Carrier & Charging Handle. CMMG uppers are built to Mil-Spec standards and will
mount onto any standard mil-spec AR15 lower receiver assembly.
Exception: Does NOT fit Colt
lowers with sear
block.
CMMG 18" SPR
Barrel Features:-
4140 chrome-moly vanadium steel
- Not Chrome
Lined
- 5.56x45 NATO chamber
- Caliber: .223
- 1/8 Twist Rate
- 1/2x28 RH Muzzle Thread
- 11 degree recessed target
crown
- Medium Contour 18"
Barrel Profile
- VORTEX Flash Hider
- Midwest Ind. Rifle Length
"SS" Series Free Float Forearm
- Forged A3 upper receiver
- M4 feed ramps
- Semi-Auto
Bolt Carrier & Charging Handle - Included
- T marked with extended feed ramp cuts (M4 ramps).
- Made In USA