GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $142.17 30DF80A show more like this Calculated in Cart DACK Outdoors GC_UPC Cmmg Bbl 300blk 16.1" Mr 4140cm Sbn $144.28 - show more like this Tactical Surplus USA GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $147.18 30DF80A show more like this 14.99 Defense Depot GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $147.28 30DF80A show more like this 8.95 Guns 2 Ammo GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $151.00 30DF80A show more like this 7.95 TheGunDock.com GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $151.99 30DF80A show more like this Calculated in cart GunZoneDeals GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $152.73 30DF80A show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC MK4 MR 4140CM Barrel .300 AAC Blackout 16.1 Inch Multi Role Profile Barrel Salt Bath Nitride Finish Muzzle Thread 5/8-24 TPI $155.02 524199 show more like this Free on Guns, $9.99 Accessories, $14.99 Ammo Tombstone Tactical GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $156.83 30DF80A show more like this Free shipping on orders over $300 Skogen’s Gun Supply GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $157.29 30DF80A show more like this 8.95 Beebe Family Arms & Munitions GC_UPC CMMG 30DF80A Barrel Sub-Assembly 300 Blackout 16.10 in Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with Multi Role Profile for AR-15 $161.72 30DF80A show more like this Flat Rate Starting at $11.99 Hinterland Outfitters GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $161.79 30DF80A show more like this 9.99 SHTF Tactical GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 BO 16.1 AR-15 4140 Chrome Moly Steel Black Nitride $168.99 30DF80A show more like this $9.99 - $19.99 Deguns.net GC_UPC CMMG, Inc Barrel Sub-Assembly, Multi Role Profile, 300 BLK, 16.1in, 4140CM, Salt Bath Nitride, 30DF80A $169.99 30DF80A show more like this Dvor GC_UPC CMMG, Inc Barrel Sub-Assembly, Multi Role Profile, 300 BLK, 16.1in, 4140CM, Salt Bath Nitride, 30DF80A $169.99 30DF80A show more like this Free Shipping on most orders over $49 Optics Planet GC_UPC CMMG 30DF80A Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile $170.46 30DF80A show more like this 19.99 The Armory at LTT GC_UPC CMMG 30DF80A Barrel Sub-Assembly 300 Blackout 16.10" Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with Multi Role Profile for AR-15 $174.89 30DF80A show more like this $10.95 flat rate GunStuff TV GC_UPC CMMG, BARREL, 300 AAC BLACKOUT, 16.1" BARREL, 1:7 TWIST, CARBINE 4140 CRMO SALT BATH NITRIDE FINISH, 5/8"-24 TPI $189.99 - show more like this 8.95 The Armories