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Glock 21 mags see ***** Specifications and Features Brand: CMMG, Inc.
MFR #: 45AE581
UPC: 815835018768
CMMG G45AE581
.45 ACP
Radial Delayed Blowback semi automatic
Forged aluminum upper receiver
Billet aluminum lower receiver
Free floating 16.1" medium taper 4140 barrel threaded .578-28
CMMG SV muzzle brake
1:16" twist
13 rounds capacity
*******Uses GLOCK 21 magazines
Single stage trigger
CMMG RKM14 KeyMod handguard
Magpul CTR stock
Magpul MOE pistol grip
Overall length 32.5"
Weight 5.8 lbs
Black