Insurgent Tactical 18" SPR-profile barrel made from 416R stainless
steel with bead-blasted finish and a rifle-length gas system. Barrel is
chambered in .223 Wylde and features a
1:8 twist, 11 degree recessed target crown, and M4 feed ramps. Barrel
has been Magnetic Particle Inspected (MPI) and High Pressure Tested
(HPT). Sub-MOA accuracy guarantee with match grade ammunition and proper
GAS BLOCK: pinned gas block made from 4140 steel with a QPQ Nitride finish. Installed with dual-set knurled tip set screws. RAIL:
Insurgent Tactical's slim, free float rail machined from 6061-T6 billet aluminum with a
Mil-Spec Type III hard coat anodizing finish. Full length 12 o'clock
rail with machined rails at the 3-6-9 o'clock positions on the front of
rail. T-marks are provided on all rail sections. Designed with both
anti-slip and anti-rotation features. Magpul M-Lok attachment system
throughout the rail for mounting accessories. 4x QD sockets throughout the rail.
Stainless steel rifle-length gas tube and features a Melonite finish for
increased heat and corrosion resistance along with a subdued appearance.
UPPER RECEIVER: Mil-Spec 7075-T6 aluminum with Type III, Class II anodizing finish. T-marks on top rail. Dry film lube interior finish
BCG: Insurgent Tactical AR15/M16 Carrier manufactured from 8620 steel and
bolt from 9310 Steel. Shot Peened.
Magnetic Particle Inspected (MPI). High Pressure Tested (HPT). Properly
staked gas key to Mil-Spec standards. Grade 8 hardened fasteners.
Black O-ring insert on extractor.
All complete upper receivers are test fired to ensure proper function.
MADE IN USA. LIFETIME WARRANTY.