MA M4 9" .300 Blackout MA-3 Pistol

Your Price: $1,095.95
Out of Stock.
Part Number:MA-3-9-300BO
At Modern Armory we believe there is no substitute for quality. Starting with a 9" duty grade barrel and our quality BCG for the heart of a long-lasting system. Combine this with our properly ported gas system, Sprinco buffer springs, and topped off with our Battle Trigger. This rifle is meant to be beaten up and will not let you down.

Lower Receiver:

  • Lower Receiver: Modern Armory forged lower receiver
  • Machined from 7075-T6 forged aircraft grade aluminum
  • Machined with BETTER than Mil-Spec requirements on state-of-the-art CNC equipment for consistent quality parts and exacting tolerances, dimensions held within +/- .001”
  • Matte black hard-coat anodized Mil 8625 Type 3 Class 2
  • Generous flare cut to the magazine well for quick magazine changes
  • Pictogram style “SAFE” and “FIRE” markings
  • Buffer System: Mil-Spec Buffer System
  • Receiver Extension: SBA3 5-Position 
  • Buffer: H1 Buffer
  • Buffer Spring: Sprinco White Spring
  • Receiver end plate: QD Mil-Spec with properly staked Castle Nut
  • FCG: MA Battle Trigger Mil Spec components with solid reset and consistent 5.5lb pull.
  • Safety Selector: MA Mil-Spec Selector
  • Grip: B5 P-Grip 23 – Black
  • Stock: SB Tactical SBA3 - Black

Upper Receiver:

  • Precision machined to correct Mil-Specs from 7075 T6 Forged aluminum
  • Machined for use with barrels that use an M4 barrel extension
  • M4 Feedramps
  • Hard- coat anodized per Mil-A-8625F Type III Class II in a matte black finish
  • Ejection port door and forward assist installed
  • .250” takedown pin holes
  • Charging Handle, Radian Weapons Raptor LT - Black
  • Handguard: MA 9" Hybrid 
  • Muzzle Device: KVP Linear Comp
  • Barrel: 9" 4150 CrMoV Steel 1:7 Twist
  • Caliber: .300 Blackout
  • Gas System: Pistol Length with properly sized gas port
  • Gas Block: .750 Nitride gas block
  • Barrel Finish: Nitride corrosion resistant finish
  • High Pressure Tested (HPT)
  • Magnetic Particle Inspected (MPI)

Includes One Surefeed Magazine or P-MAG, Sticker & Lifetime Guarantee.

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