Don't build a .22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5" barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built on the Mk4 platform and is designed to work with any standard AR15 lower group and use CMMG's .22 AR Conversion Mags. All CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including: ZEROED AR15 Polymer Dust Cover ZEROED .22LR Ambi Charging Handle ZEROED .22LR Flash Hider Main Features Caliber: 22 LR Action: 22 LR Barrel Length: 4.50" Finish: Cerakote Standard Weight: 2.2 lbs Other Features Barrel Contour: MT Barrel Length Range: 4" to 4.99" Barrel Material: 4140CM, SBN Barrel Twist: 1:16 Caliber/Gauge: 22 LR Charging Handle: CMMG ZEROED Ambi Color: Black Hand Guard: CMMG EML4 M-LOK Handguard Finish: Armor Black Handguards: M-LOK Length: 12.8" Material: Aluminum Muzzle Device: CMMG ZEROED Flash Hider Muzzle Thread: 1/2 x 28 Operating System: Traditional Blowback Platform: Mk4 Receiver Finish: Black Armor Cerakote Upper Receiver: Billet 6061 T6 Aluminum Upper Type: Complete Part Number: 22B5BD4AB UPC: 810097502161

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