300 Blackout Barrels | High-Performance Precision Barrels | Moriarti Armaments
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300 Blackout Barrels
Upgrade your AR-15 with 300 Blackout barrels from Moriarti Armaments. Our selection includes 300 AAC Blackout barrels in a variety of lengths, profiles, twist rates, and finishes for hunting, recreational shooting, and custom AR-15 builds. Whether you're replacing an existing barrel or completing a new upper, our barrels are designed for reliable performance and compatibility with most mil-spec AR-15 upper receivers.
What barrel length is best for 300 Blackout?
300 Blackout performs well across a wide range of barrel lengths. Short barrels are popular for compact builds and suppressed shooting, while 16-inch barrels maximize velocity with supersonic ammunition for hunting and general-purpose use.
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AR-15 300 AAC Blackout 10.5" 4150 CMV Barrel, 1-7 twist, Govt Profile, Nitride
MADE FROM 4150 CMV AND HARDENED TO 26-32 RC AND STRESS RELIEVED, PLATED BLACK. 1-7 RH TWIST ..
AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL, CARBINE, 1-7
AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL 1-7. Made from 416 stainless steel har..
AR-15 300 Blackout 16" stainless steel spiral fluted barrel , 1-7 , carbine
AR-15 300 Blackout 16" stainless steel spiral fluted barrel 1-7 twist. MADE FROM 416R STAINLESS STEE..
AR-15 300 Blackout 16" Stainless Steel Straight Fluted Barrel - 1:7 Twist, Carbine Gas System
Enhance your AR-15 build with the 300 Blackout 16" stainless steel barrel, designed for superior per..
AR-15 300 Blackout 6" Barrel / 4150 CMV / Med Profile / Nitride
AR-15 300 Blackout 6" Barrel / 4150 CMV / Med Profile / Nitride6" MED PROFILE 1:7 TWIST4150 CMVNITRI..
AR-15 300 Blackout 9" HEAVY BARREL; 4150 CMV 1:7 TWIST
AR-15 300 Blackout 9" HEAVY BARREL; 4150 CMV 1:7 TWIST 9" HEAVY CONTOUR WITH 1:7 TWIST4150 CMV S..
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AR-15 MORIARTI 300 BLACKOUT 5" PISTOL LENGTH BARREL, MED PROFILE
AR-15 MORIARTI 300 BLACKOUT 5" PISTOL LENGTH BARREL, MED PROFILELength: 5" Pistol Chamber: 300 AAC ..
Moriarti AR-15 300 ACC Blackout 7.5" Barrel, 1-7 twist, Med Profile, Nitride
AR-15 300 ACC Blackout 7.5" Barrel, 1-7 twist, Med Profile, Nitride - Nitride treatment fo..
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Moriarti AR-15 300 Blackout 14.5" Barrel - Pistol Length, 4150 CMV, QPQ Corrosion Resistant
Upgrade your AR-15 build with the Moriarti Armaments 300 Blackout 14.5" Barrel designed for precisio..
MORIARTI AR-15 300 BLACKOUT 16" NITRIDE BARREL, 1X7, MED PROFILE
MORIARTI AR-15 300 BLACKOUT 16" NITRIDE BARREL, 1X7, MED PROFILE Chamber: .300BLK Conto..