The Gen4 MODMAT PATROL SBF is the natural evolution of the super popular MODMAT SBF that was introduced in 2019 and the WARTIME SBF in 2021.  Like many COVID-era items that were born from supply chain disruptions, the WARTIME SBF was a collection of the best parts available at the time.  Now in 2023, those disruptions are gone for good and MODERN MATERIEL can finally re-introduce the entire PATROL SERIES including the SBF.

Now available in six (6) Cerakote colors; Blackened Cobalt, Slate Grey, Bloodshot Bronze, Patriot Brown, Sniper Green and Tackleberry Blue (new for 2023).

It also features these additional enhancements:

  • Forged aluminum upper receiver with forward assist
  • Radian Raptor SL charging handle
  • MM QD endplate
  • HIPERFIRE trigger
  • Pistol buffer tube with foam pad or MIL-Spec 6 position buffer tube
  • B5 Systems TYPE 22 P-Grip with plug
  • Slate Black Industries – Slate Panels & Slate Vertical Grip (SVG)


Categories: , SKU: N/A
  • 100% MADE IN AMERICA.  All MODMAT firearms are made from domestic parts and assembled in New Jersey.
  • Multi-State and Federally compliant when purchased as an OTHER FIREARM.
  • CERAKOTE FINISH: Blackened Cobalt, Slate Grey Bloodshot Bronze, Patriot Brown, Sniper Green and Tackleberry Blue. 
  • Length: 27 3/8″
  • Weight: 5 lbs 3.4 oz
  • A2 Flash Hider.
  • MODERN MATERIEL Custom Profile, 11.75″ Carbine length AR15 Barrel. Machined from 4150 chrome moly, with M4 feed ramps and rifled with a 1:8 twist. Finished with H&M Blacknitride+™
  • MODERN MATERIEL .750” low profile gas block. Paired and custom pinned to the barrel. Processed with a Black Nitride corrosion resistant finish.
  • MODERN MATERIEL 10.75″ Duty Ready Gen4 free float hand guard – Full Picatinny top rail and M-LOK mounting in all positions.
  • Slate Black Industries – Slate Panels & Slate Vertical Grip (SVG).
  • Domestic 8620 M16 Bolt Carrier Group and 9310 bolt with QPQ corrosion resistant finish.
  • Radian Raptor SL charging handle for ambidextrous capabilities.
  • Radian Talon selector switch for ambidextrous capabilities.
  • MODERN MATERIEL Flattop Upper Receiver – 7075 T6 forged aluminum with ejection port cover, Mil-spec forward assist and brass deflector.
  • MODERN MATERIEL Lower Receiver – 7075 T6 forged aluminum with magwell texture.
  • HIPERFIRE Enhanced Trigger with 5.5 lbs pull for crisp and clean operation.
  • SPRINCO RECOIL SOLUTIONS tactical buffer (action) spring.
  • MODERN MATERIEL Receiver End Plate with QD Sling Swivel Socket.
  • B5 Systems TYPE 22 P-Grip with plug.
  • B5 Systems Polymer Trigger Guard.
  • One (1) MAGPUL magazine. 
This site uses cookies to improve your user experience. Read More