9mm AR-15 Barrels
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- AT3 Tactical (209)
- Ballistic Advantage (92)
- Faxon Firearms (79)
- Aero Precision (68)
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- CMMG, Inc. (54)
- KAK Industry (49)
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AT3™Sale!
AT3™ 9mm Straight Profile 16 Inch AR-15 Barrel
Powerful Pistol Caliber Performance in a Carbine Package Bring the versatility of 9mm to your AR build with this straight profile 16" barrel from AT3™. Crafted from premium 4150 CrMoV...$105.00Only$89.25 -
AT3™Sale!
AT3™ 9mm Straight Profile 11 Inch AR-15 Barrel
Powerful Pistol Caliber Performance in a Compact Package Bring the versatility of 9mm to your AR build with this straight profile 11" barrel from AT3™. Crafted from premium 4150 CrMoV...$90.00Only$76.50 -
AT3™Sale!
AT3™ 9mm Straight Profile 4.5 Inch AR-15 Barrel
Precision Pistol Caliber Performance in a Compact Package Bring the versatility of 9mm to your AR build with this straight profile 4.5" barrel from AT3™. Crafted from premium 4150 CrMoV...$72.50Only$61.63 -
Ballistic Advantage 9mm 8.3 Inch AR 15 Barrel – Straight Profile with 1/2×28 Threads
Short 9mm AR Barrel for Pistol Caliber Carbines and Defense Pistols With a heavy, straight profile barrel to ensure rigidity and accuracy, this 9mm barrel features a short 8.3" length... -
CMMG 5 Inch MKGS Barrel & Radial Delayed BCG Kit for AR15 – 9MM
Radial Delayed BCG Kit For Lesser Recoil And Lighter Performance The CMMG MKGS Barrel and BCG Kit will allow you to build a Pistol Caliber Carbine using a Patent Pending... -
Ballistic Advantage 9MM 11″ AR 15 Barrel – 1:10 Twist – 4150 CMV Nitride...
Ballistic Advantage Modern Series barrels feature precision-machined 4150 CMV steel, durable Nitride coating, and a Sub-MOA accuracy guarantee. This 9mm chambered 11 inch Modern Series Barrel is machined from 4150... -
Ballistic Advantage 9mm 5.5 Inch AR 15 Barrel – Straight Profile with 1/2×28 Threads
PDW Length 9mm Barrel for AR-15 For a personal defense weapon, a compact barrel that works in close quarters is a must. This 5.5 inch barrel from Ballistic Advantage features... -
CMMG 8 Inch MKGS Barrel & Radial Delayed BCG Kit for AR15 – 9MM
Radial Delayed BCG Kit For Lesser Recoil And Lighter Performance The CMMG MKGS Barrel and BCG Kit will allow you to build a Pistol Caliber Carbine using a Patent Pending... -
Stern Defense AR-15 9mm 16.1″ Barrel – 1:10 Melonite 1/2-36 Threaded
A Deeper Throat Barrel To Accommodate Bullets With A Longer Ogive The Stern Defense AR-15 9mm 16.1" Barrel is an excellent option if you're looking to build your own custom... -
Faxon 9mm Barrel for AR-15 – 16 Inch Light Tapered – 4150 QPQ
Want the best barrel for your Pistol Caliber Carbine Competition? You found it. Pistol Caliber Carbines (PCC) are a growing and practical trend, and Faxon has just the right barrel... -
Ballistic Advantage 9mm 8.3 Inch AR 15 Barrel – Pencil Profile with 1/2×28 Threads
Lightweight 9mm AR Barrel for Pistol Caliber Carbines and Defense Pistols This 9mm barrel features a lightweight pencil profile and is only 8.3 inches long, cutting down unnecessary weight for... -
Faxon Firearms 9mm 8.5 inch AR15 Barrel – Light Tapered – 4150 QPQ
Short & Compact 9mm Barrel Perfect For Your Pistol Caliber AR The Faxon Firearms 9mm 8.5 inch AR15 Barrel is the perfect choice for a short and compact AR pistol-caliber... -
NEW
KAK Industry 8 Inch OE-Spec 9mm AR-15 Barrel
Ultra-Compact 9mm Firepower with KAK's 8" Barrel This 8" barrel provides versatile 9mm capability in an incredibly compact AR platform. The military-grade 41V50 chrome moly construction has a melonite finish... -
CMMG 16.1 Inch MKGS Barrel & Radial Delayed BCG Kit for AR15 – 9MM
Radial Delayed BCG Kit For Lesser Recoil And Lighter Performance The CMMG MKGS Barrel and BCG Kit will allow you to build a Pistol Caliber Carbine using a Patent Pending... -
Ballistic Advantage 9mm 4.5 Inch Barrel – Straight Profile with 1/2×28 Threads
Super-Shorty AR-9 Barrel for Defensive Pistols Specialized for personal defense AR-9 builds, this barrel's length is a mere 4.5 inches, including the barrel extension. The length is equivalent to most... -
Stern Defense AR-15 9mm 10.5″ Barrel – 1:10 Melonite 1/2-36 Threaded
A Deeper Throat Barrel To Accommodate Bullets With A Longer Ogive The Stern Defense AR-15 9mm 10.5" Barrel is an excellent option if you're looking to build your own custom... -
Faxon Firearms 9mm 16 inch AR15 Barrel – Tapered w/ Integral Slim Muzzle Brake...
Built With Integrated Muzzle Brake Perfect For Your 9mm Pistol-Caliber Build The Faxon Firearms 9mm 16 inch Integral AR15 Barrel is an excellent option for your AR pistol build that... -
Faxon Firearms 9mm 4.5 inch AR15 Barrel – Light Tapered – 4150 QPQ
Short & Compact 9mm Barrel Perfect For Your Pistol Caliber AR The Faxon Firearms 9mm 4.5 inch AR15 Barrel is the perfect choice for a short and compact AR pistol-caliber... -
NEW
KAK Industry 11 Inch OE-Spec 9mm AR-15 Barrel
Compact 9mm Firepower with KAK's 11" Barrel This 11" 9mm barrel provides versatile pistol caliber performance in a nimble AR platform. The military-grade 41V50 chrome moly construction has a nitride... -
NEW
KAK Industry 16 Inch OE-Spec 9mm AR-15 Barrel
Enhance Your AR with KAK's 16" 9mm Carbine Barrel This 16" 9mm barrel brings versatile pistol caliber capability to your AR platform. The military-grade 41V50 chrome moly construction has a... -
NEW
KAK Industry 4 Inch OE-Spec 9mm AR-15 Barrel
Ultra-Compact 9mm Firepower with KAK's 4" Barrel This 4" barrel provides versatile 9mm capability in an incredibly compact AR platform. The durable 41V50 chrome moly construction has a nitride finish... -
AT3™Sale!
AT3™ 9mm Straight Profile 8.3 Inch AR-15 Barrel
Precision Pistol Caliber Performance in a Compact Package Bring the versatility of 9mm to your AR build with this straight profile 8.3" barrel from AT3™. Crafted from premium 4150 CrMoV...$85.00Only$72.25 -
Faxon Firearms 10.5 Inch Light Tapered AR15 Barrel – 9mm – 4150 QPQ
Perfect for Your Compact Pistol-Caliber PDW Compact, pistol-caliber AR15s are perfect for home defense, and Faxon Firearms makes some of the best barrels for that purpose. A smooth taper from... -
Ballistic Advantage 9MM 16″ AR 15 Barrel – 1:10 Twist – 4150 CMV Nitride...
Ballistic Advantage 16 Inch 9mm Barrel for Aero EPC Receivers This 9mm chambered 16 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion...
AR-9 barrels for your AR-15 don’t require gas blocks or tubes – choose your barrel, and pick up a heavy 9mm buffer.
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