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 $147.30 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 $147.52 30DF80A show more like this Calculated in Cart DACK Outdoors 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 300 Blackout/300 AAC Barrel, 16", Carbine Gas Length $154.89 30DF80A show more like this $8.99 Impact Guns 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 FREE SHIPPING on orders over $200 Beebe Family Arms & Munitions 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 $160.15 30DF80A show more like this Free shipping over $400 (Excludes Ammo) Gman Sport 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 $160.44 30DF80A show more like this Firearms $18.45, Free over $500 Shooting Surplus 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 lat 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 300 AAC Blackout/Whisper (7.62X35mm) 16.1" Nitrided $168.22 30DF80A show more like this Calculated in Cart Classic Firearms 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 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, Inc Barrel Sub-Assembly, Multi Role Profile, 300 BLK, 16.1in, 4140CM, Salt Bath Nitride, 30DF80A $174.49 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 $174.49 30DF80A show more like this Free Shipping on most orders over $49 Optics Planet 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 Ar-15/M16 300 Blk Barrels - Barrel Stripped 16" M300 Le Aac W/Car Gas $180.99 30DF80A show more like this $12.50 Brownells GC_UPC CMMG .300 Blackout AR-15 Barrel Multi-Role Profile - 16.1" $189.95 30DF80A show more like this Calculated in Cart Primary Arms GC_UPC CMMG 16" 300 Blackout Barrel Multi-Role - 300 BLK $189.95 30DF80A show more like this Right To Bear 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 GC_UPC CMMG AR-15 Barrel 300BLK 16.1" Multi-Role Profile Nitride Finish $192.44 30DF80A show more like this $10 Flat for Firearms Cheaper Than Dirt