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Modern Materiel MODMAT-15 ACE GEN 4 5.56 NATO Rifle - 14.5" (Pinned)

AR-15 Rifle

In stock


FFL Required Before Shipping.

Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number.

$1,899.00

This product ships from another warehouse location and is not available at our retail store. Orders will take an additional 3-5 business days for processing.



The MODERN MATERIEL ACE provides exceptional quality in build materials and components that is both essential and indispensable. Backed by 8 years of field tested design, the ACE enables total mastery of every moment.

  • 100% MADE IN AMERICA.  All MODMAT rifles are made from domestic parts and assembled in New Jersey.
  • Fully Federally compliant. Some State compliance selectable.
  • CERAKOTE FINISH: Blackened Cobalt, Slate Grey Bloodshot Bronze, Patriot Brown, Sniper Green and Tackleberry Blue. 
  • Length: 32″–35 1/8″″
  • Weight: 5 lb 11 oz
  • MODERN MATERIEL Exit 5.56 V3 Single Port Muzzle Brake virtually eliminates muzzle climb while shooting.  NATO grooves allow for installation of Griffin Armament blast shield or silencer. Pinned and welded NON-NFA configuration.
  • MODERN MATERIEL 5.56 Custom Profile, 14.5″ Midlength AR15 Barrel. Machined from 4150 chrome moly, with M4 feed ramps and rifled with a 1:8 twist. Finished with a H&M Blacknitride+™ corrosion resistant finish.
  • MODERN MATERIEL .750” low profile gas block. Paired and custom pinned to the barrel. Processed with a H&M Blacknitride+™ corrosion resistant finish.
  • MODERN MATERIEL 13.5″ Performance Gen3 free float hand guard with 6061 T6 aluminum barrel nut– Full Picatinny top rail and M-LOK mounting in 3,6 & 9 o’clock positions.
  • Enhanced 8620 M16 Bolt Carrier Group with Nitride finish.  9310 bolt MPI certified to military specifications. 4140 Gas key – properly torqued and stacked with Grade 8 screws.
  • Enhanced 6061 T6 aluminum ejection port cover.
  • GRIFFIN ARMAMENT SN–ACH ambidextrous charging handle.
  • DRIVEN ARMS CO – Modular foregrip (M-LOK).
  • MODERN MATERIEL Flattop Upper Receiver – 7075 T6 forged aluminum with ejection port cover and brass deflector.
  • MODERN MATERIEL Lower Receiver – 7075 T6 forged aluminum with magwell texture.
  • FORWARD CONTROL DESIGNS –  ASF-90 ambidextrous selector switch.
  • FORWARD CONTROL DESIGNS – EMR-HR serrated oversized magazine release button.
  • FORWARD CONTROL DESIGNS – EMR-A ambidextrous magazine release.
  • FORWARD CONTROL DESIGNS – ABC/R serrated bolt catch.
  • DRIVEN ARMS CO – Beavertail Vertical Crossover Grip (VCG-L) with reduced grip angle.
  • 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.
  • MODERN MATERIEL Enhanced pivot and takedown pin set.
  • MISSION FIRST TACTICAL – BATTLELINK Minimalist Milspec Stock.
  • One (1) MAGPUL magazine. 
More Information
SKU MM-MODMAT-ACE-145-XX-DS
Product Type AR-15 Rifle
Manufacturer Modern Materiel
Gas Block Diameter .750"
Twist Rate 1:8
Gas System Length Mid
Rail Length 13.5"
Mount M-LOK
Platform AR-15
Barrel Length 14.5"
Caliber 5.56 NATO

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