11.5" 5.56 Irregular Defense Complete Upper

Out of stock
Article code 03002712
Out of stock


11.5” 5.56mm 416R Stainless with 1:7 twist
Individual serialized barrel for QC purposes
Hand polished Noveske Match Chamber
Mid length gas tube
Straight fluted between chamber and gas block
Noveske marked gas block: Low profile, .750” journal, pinned to barrel
M4 barrel extension w/extended hand polished feed ramps
CGS SCI-SIX flash hider / suppressor mount

Upper Receiver

IRGLR DFNSE marked Noveske Chainsaw™ forged upper receiver from 7075-T6 aluminum w/extended feed ramps
Hardcoat type III anodizing, then FDE Cerakote ceramic coating for superior finish longevity
Black nitride Noveske marked forward assist
Noveske Marked Geissele Super Badass Airborne ambidextrous charging handle
Featuring anti-rotation interface with handguard
Phosphate coated bolt carrier, full auto compatible, chrome lined carrier bore and key
Properly staked grade 8 American made gas key bolts
Phosphate bolt made from Carpenter 158 heat treated steel MPI tested (magnetic particle inspected)


4th Generation NSR-10.75” (M-LOK) Free Floating Handguard
Featuring M-LOK mounting positions every 45 degrees with picatinny 1913 top rail
Light weight American made steel barrel nut
The 10.75” handguard with a 11.5” barrel will return a .080” clearance from end of handguard to barrel thread shoulder. Perfect spacing when you add your favorite suppressor