CMMG

CMMG Banshee 300 Mk4 .22LR Upper Group Kit, 4.5" Barrel, (3) 25-rd. Magazines

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Key Features

  • .22LR
  • 4.5" 4140 chrome moly steel barrel with 1/2x28 thread
  • Stainless .22LR bolt carrier group
  • Forged 7075-T6 aluminum M4-type upper
  • RML4 M-LOK® handguard
  • Designed to work with standard mil-spec AR-15 lowers
  • Includes (3) 25-rd. conversion magazines
  • Made in USA
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CMMG

The BansheeTM 300 Mk4 Upper Group Kit fits on most standard AR-15 lowers to create a premium .22LR AR pistol. The Banshee 300 Upper Kit comes complete with a 4.5" stainless steel barrel and CMMG's own stainless .22LR bolt carrier group.

The RML4 4" M-LOK handguard accepts any number of modern accessories, and the full-length Picatinny top rail allows for versatile optics placement. The upper itself is a standard forged 7075-T6 M4-style upper, but comes equipped with CMMG's oversized ambidextrous charging handle for easy charging. Completing the package are (3) 25-rd. AR conversion magazines made specifically for the .22LR round, giving you plenty of firepower.

  • 4.5" 4140 chrome moly steel barrel with 1/2x28 thread
  • KAK slim flash can
  • Stainless .22LR bolt carrier group
  • Forged 7075-T6 aluminum M4-type upper
  • RML4 M-LOK handguard
  • Designed to work with standard mil-spec AR-15 lowers
  • Includes (3) 25-rd. conversion magazines
  • Made in USA

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Key Specifications

  • Item Number: 721010
  • Caliber: .22LR
  • Action: Semi-automatic
  • Barrel Length: 4.5"
  • Barrel Material: 4140 chrome moly steel
  • Barrel Thread: 1/2x28
  • Barrel Twist: 1:16"
  • Receiver: Forged 7075-T6 M4-type
  • Country of Origin: USA
  • Mfg. Number: 22F5BCA