• 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 system
  • 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
  • FDE Noveske Love Handle ambidextrous charging handle (currently not pictured)
  • 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


Lower Receiver

  • Irregular Defense marked Noveske Chainsaw™ forged lower receiver from 7075-T6 aluminum
  • B5 Systems Bravo polymer trigger guard
  • Government issue 90 degree safety selector
  • Hardcoat type III anodizing, then FDE  Cerakote ceramic coating for superior finish longevity
  • Properly staked Noveske QD sling mount endplate
  • Noveske marked takedown and pivot pin
  • Adjustable tension screw for perfect fit between upper and lower
  • Geissele SSA-E Super Semi Automatic-Enhanced combat proven two stage trigger
  • Noveske marked 6 Position mil spec impact extruded carbine extension
  • H2 buffer with carbine action spring



  • B5 Systems Bravo stock in FDE
  • Irregular Defense FEER stock riser in FDE
  • Irregular Defense Special K grip in FDE
  • Irregular Defense MHS hand stop in FDE
  • Irregular Defense MRC V1 in FDE x 2
  • Irregular Defense MRC V2 in FDE x 2
  • Irregular Defense MBS V1 Barricade Stop in FDE

Extra information:

  • Overall length with a collapsed stock to the end of the flash hider: 28.5”
  • 6.25 lbs dry weight
  • Comes with one 30 round Gen 3 PMAG in MCT


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Legal Notices:

Confirm FFL Transfer
ATF Regulations

All ATF regulations apply.

Each state’s laws dictate what can or cannot be possessed in its own state. Some counties within each state hold different laws as well. Please contact your local ATF field office with any ATF related questions or concerns you may have. Noveske Rifleworks LLC reserves the right to use discretion when selling to each individual state.

Prop 65 Warning
Prop. 65 Warning for CA Residents WARNING:

This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Additional information

Weight 10.8 lbs
Dimensions 47 × 12 × 6 in