CMMG 57B40E4Ab Resolute 5.7X28mm 16.10", Armor Black, M-LOK Free-Float Handguard For AR-Platform Personal Defense Calibers Have Become a Big Thing In The Last Few years, And If youre looking For PDW Ballistics And The Classic Style And Balance Of a Carbine then youre In Luck. Caliber: 5.7X28mm Barrel Length: 16.10" Receiver Finish: Armor Black Handguards: M-LOK Free-Float Handguard Finish: Armor Black Barrel Length Range: 16" To 16.99"
