CMMG Banshee 300 Mk4 AR Pistol, Semi-auto, 300 BLK, 8" Barrel, Sniper Gray, 30+1 Rounds

Item currently sold out

Key Features

  • .300 AAC Blackout
  • 30+1 rounds
  • 8" 4140 chrome moly steel barrel
  • CMMG® RipBrace with 5-position receiver extension
  • 7" M-LOK® handguard
  • Magpul® MOE pistol grip and trigger guard
  • Sniper Gray Cerakote finish
  • Includes (1) 30-rd. magazine

    Order with complete confidence! Your satisfaction is guaranteed, period! We stand behind every item we sell. If you're not happy within 90 days of shipment, just return the item with your invoice and we'll promptly refund your merchandise total. See More Details


    For everything to outfit your the Lowest Prices, Guaranteed! If you find a lower advertised price for an item we sell, let us know at the time of purchase or within 10 days of placing your order and we will refund you the difference. See More Details

  • Easy Returns

CMMG® BansheeTM 300 Mk4 .300 AAC Blackout Semi-automatic AR Pistol

The Banshee 300 is CMMG's top-of-the-line AR Pistol, featuring premium components across the board. Every component in every CMMG firearm is 100% made in America for quality you can trust. It comes equipped with CMMG's own RipBrace stabilizing brace, which features FastBack technology for rapid deployment: just pull it straight back to deploy it. There are no locking tabs to bind, and an indexing screw lets you pre-set your desired length.

The RML7 7" M-LOK handguard accepts any number of modern accessories, and the full-length Picatinny top rail allows for versatile optics placement. The receivers and handguard are finished in Sniper Grey Cerakote for the ultimate in corrosion resistance. Finished off with a Defcan 3 flash hider and Magpul pistol grip, the Banshee 300 represents the pinnacle of the AR pistol.

  • 8" 4140 chrome moly steel barrel with salt bath nitride finish
  • CMMG RipBrace with 5-position receiver extension
  • 7" M-LOK handguard with Sniper Grey Cerakote finish
  • Magpul MOE pistol grip and trigger guard
  • .750" non-adjustable gas block
  • Oversized ambidextrous charging handle
  • Sniper Gray Cerakote finish
  • Includes (1) 30-rd. magazine

Order today!

Key Specifications

  • Item Number: 723241
  • Caliber: .300 AAC Blackout
  • Action: Semi-automatic/direct impingement
  • Capacity: 30+1
  • Barrel Length: 8"
  • Barrel Material: 4140 chrome moly steel, salt bath nitrided
  • Barrel Thread: 5/8x24
  • Barrel Twist: 1:7"
  • Stock: RipBrace stabilizing brace with 5-position receiver extension
  • Upper Receiver: 7075-T6 forged M4-type, Sniper Grey Cerakote
  • Lower Receiver: 7075-T6 forged, Sniper Grey Cerakote
  • Pistol Grip: Magpul MOE
  • Fire Control: Mil-spec single-stage
  • Handguard: 7" M-LOK
  • Overall Weight: 5.2 lbs.
  • Country of Origin: USA
  • Mfg. Number: 30A81E2-SG
  • UPC: 816422025152