CMMG
CMMG is a renowned firearms manufacturer, specializing in high-quality AR15 and AR10 rifles and accessories. Known for their innovation and precision engineering, CMMG's products cater to both the tactical and sporting markets, offering a wide range of rifles, parts, and kits that are both reliable and versatile. Their commitment to quality and performance makes CMMG a trusted name among enthusiasts and professionals alike, seeking top-tier AR platforms and components.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
10.5" .300BLK 1:8 Black Nitride Pistol Barrel
Black Rifle Depot
MSRP: $89.95$84.9510.5" .300BLK 1:8 Black Nitride Pistol Barrel Precision-Machined for Performance and Durability Experience the quality and performance of the 10.5" .300 BLK Pistol Barrel, manufactured under the BRD brand to deliver exceptional value without sacrificing...MSRP: $89.95$84.95 -
Faxon Match Series 6" GUNNER 300 BLK Pistol 1-5 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel
Faxon Firearms
MSRP: $185.00$170.95Faxon Match Series 6" GUNNER 300 BLK Pistol 1-5 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel A faster 1:5 Twist Rate combined with the Lightweight Faxon Gunner Profile. The 300 Blackout cartridge yields increased performance in...MSRP: $185.00$170.95 -
7.5" .300 BLK 1:7 Black Nitride Barrel
Black Rifle Depot
MSRP: $89.95$79.957.5" .300 BLK 1:7 Black Nitride Barrel American-made reliability for your short-barrel .300 BLK build. The 7.5" .300 Blackout Barrel from BRD is designed for high-performance AR pistol or SBR builds. Featuring a durable black nitride finish, medium...MSRP: $89.95$79.95 -
Ballistic Advantage 10.5" 300 BLK Pistol Length Modern Series Barrel
Ballistic Advantage
MSRP: $165.00$118.95Ballistic Advantage 10.5" 300 BLK Pistol Length Modern Series Barrel Precision Machined and Corrosion Resistant for Your .300 BLK Build. The Ballistic Advantage 10.5" .300 Blackout Pistol Length Modern Series Barrel is designed to deliver exceptional...MSRP: $165.00$118.95 -
Out of stock
Faxon Firearms Match Series 10.5 GUNNER 300 BLK 5R 416-R Nitride / Melonite Barrel
Faxon Firearms
MSRP: $195.00$179.95Faxon Firearms Match Series 10.5 GUNNER 300 BLK 5R 416-R Nitride / Melonite Barrel The Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil. Faxon's Gunner profile combines the durability of the Gov't profile...MSRP: $195.00$179.95 -
Out of stock
10.5" .300BLK Phosphate Pistol M-LOK Heavy Upper Assembly
Black Rifle Depot
MSRP: $249.99$194.9510.5" .300BLK Phosphate Pistol M-LOK Heavy Upper Assembly Compact Power, Built to Perform – Engineered for the .300 Blackout Advantage Whether you're building a reliable range gun or a duty-ready platform, the 10.5" .300BLK Phosphate Pistol M-LOK...MSRP: $249.99$194.95 -
Out of stock
Aero Precicion M4E1 Threaded Complete Upper 8" .300 Blackout Barrel 7" M-LOK ATLAS S-ONE Handguard - FDE Cerakote
Aero Precision
MSRP: $635.00$569.99Aero Precicion M4E1 Threaded Complete Upper 8" .300 Blackout Barrel 7" M-LOK ATLAS S-ONE Handguard - FDE Cerakote Aero Precision APAR700311M1: This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with...MSRP: $635.00$569.99 -
Aero Precision 10.5" .300 BLK M4E1 ATLAS-S AR-15 Complete Upper - Black
Aero Precision
MSRP: $615.00$527.95Aero Precision 10.5" .300 BLK M4E1 ATLAS-S Complete Upper - Black Aero Precision APAR700302M4: This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing...MSRP: $615.00$527.95 -
Out of stock
Aero Precision M4E1 8" .300 BLK Threaded Complete Upper w/ ATLAS R-ONE 7" M-LOK Handguard - Black
Aero Precision
MSRP: $595.00$524.95Aero Precision M4E1 8" .300 BLK Threaded Complete Upper w/ ATLAS R-ONE 7" M-LOK Handguard - Black This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of...MSRP: $595.00$524.95 -
Out of stock
Aero Precision M4E1 Threaded Complete Upper, 16" .300 Blackout Barrel, ATLAS R-ONE 15" M-LOK HG - Anodized
Aero Precision
MSRP: $660.00$565.95Aero Precision M4E1 Threaded Complete Upper, 16" .300 Blackout Barrel, ATLAS R-ONE 15" M-LOK HG - Anodized The Aero Precision AR-15 barreled upper receiver is built around the M4E1 Threaded upper receiver designed for use with standard barrel nut setups...MSRP: $660.00$565.95 -
Ballistic Advantage 10.3" 300BLK Hanson Profile Barrel Lo Pro Performance Series - Black
Ballistic Advantage
MSRP: $220.00$209.95Ballistic Advantage 10.3" 300BLK Hanson Profile Barrel Lo Pro Performance Series - Black This .300 Blackout chambered 10.3 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Our...MSRP: $220.00$209.95 -
Out of stock
16" .300 Blackout Barrel
Black Rifle Depot
$139.9516" .300 Blackout Barrel This is a hard to come by barrel. It is also a must have for any serious custom AR builder and collector. Features: Chambered In .300 Blackout 1:10 Twist Black Nitride Treated 4150 CMV Barrel Steel Pistol Length...$139.95 -
16" 300 BLK Nitride Carbine M-LOK Upper Assembly
Black Rifle Depot
MSRP: $319.95$284.9516" 300 BLK Nitride Carbine M-LOK Upper Assembly A quality 300 BLK upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a nitrided steel gas block as opposed to phosphate or aluminum, quality...MSRP: $319.95$284.95 -
Out of stock
ODIN Works 10.5" Pistol .300 BLK Medium Profile Barrel w/ Tunable Gas Block - Black Nitride
Odin Works
MSRP: $285.00$270.95ODIN Works 10.5" Pistol .300 BLK Medium Profile Barrel w/ Tunable Gas Block - Black Nitride Precision and Performance for Your AR-15 Pistol Build The ODIN Works 10.5" Pistol .300 Blackout Medium Profile Barrel is built to deliver peak performance and...MSRP: $285.00$270.95 -
Rosco Manufacturing Purebred 10.5" 300 BLK Heavy 1:7 Twist Pistol Stainless Barrel
Rosco Manufacturing
MSRP: $226.00$199.95Purebred 10.5" 300 Blackout Barrel: This Rosco Purebred 10.5" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. The 10.5” Rosco barrel was made to be a direct precision replacement for any MK 18 platforms that...MSRP: $226.00$199.95 -
Out of stock
Sons of Liberty Gun Works EXO3 16" .300 BO Upper
Sons of Liberty Gun Works
MSRP: $750.00$749.95Sons of Liberty Gun Works EXO3 16" .300 BO Complete Upper Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...MSRP: $750.00$749.95 -
Ballistic Advantage 8" .300 Blackout Pistol Length Modern Series Barrel
Ballistic Advantage
MSRP: $155.00$147.25Ballistic Advantage 8" .300 Blackout Pistol Length Modern Series Barrel This .300 Blackout chambered 8 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension...MSRP: $155.00$147.25 -
Faxon Firearms 9" GUNNER 300 BLK 5R 416-R Nitride / Melonite Barrel
Faxon Firearms
MSRP: $185.00$170.95Faxon Firearms 9" GUNNER 300 BLK 5R 416-R Nitride / Melonite Barrel 300 BLK barrel with pistol gas system for optimum reliability with super or subsonic ammo.Faxon Firearms barrels are an incredible value. All Faxon barrels are fully stress relieved,...MSRP: $185.00$170.95 -
Out of stock
Maxim Defense Industries 5.5" PDX Complete 300BLK AR 15 Upper
Maxim Defense Industries
MSRP: $1,295.95$1,165.50Maxim Defense Industries 5.5" PDX Complete 300BLK AR 15 Upper The NEW Maxim Defense PDX(TM) U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX(TM) U.R.G, you dominate...MSRP: $1,295.95$1,165.50 -
Out of stock
16" 300BLK 1:8 Parkerized Pistol Heavy Barrel
Black Rifle Depot
MSRP: $99.99$79.9516" 300BLK 1:8 Parkerized Pistol Heavy Barrel We collaborate with leading machine shops and barrel manufacturers at Black Rifle Depot to offer exceptional barrels under the BRD brand. By sourcing from top-tier American manufacturers and purchasing in...MSRP: $99.99$79.95 -
Ballistic Advantage 16" 300 BLK Pistol Length Modern Series Barrel
Ballistic Advantage
MSRP: $180.00$171.00Ballistic Advantage 16" 300 BLK Pistol Length Modern Series Barrel This .300 Blackout chambered 16 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp...MSRP: $180.00$171.00 -
Ballistic Advantage 6" .300 Blackout Pistol Length Modern Series Barrel
Ballistic Advantage
MSRP: $150.00$142.95Ballistic Advantage 6" .300 Blackout Pistol Length Modern Series Barrel This .300 Blackout chambered 8 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension...MSRP: $150.00$142.95 -
Out of stock
CMMG 16.1" 300 AAC Blackout AR 15 Barrel - Stainless
CMMG
$204.95CMMG 16.1" 300 AAC Blackout AR 15 Barrel - Stainless The CMMG 16.1" 300 AAC Blackout AR 15 Barrel is perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced...$204.95 -
Out of stock
Proof Research 12.5" 300BLK Carbon Fiber 1:7 Pistol AR-15 Barrel
Proof Research
MSRP: $999.00$899.00Proof Research 12.5" 300BLK Carbon Fiber 1:7 Pistol AR-15 Barrel Proof Research’s Caliber Matched Gas System results in a gas system tuned for the cartridge and length of the barrel. With high-performance cartridges such as 22 Nosler and 6.5...MSRP: $999.00$899.00 -
Out of stock
Wilson Combat 11" .300 BLK SBR Stainless Pistol Barrel
Wilson Combat
$229.95Wilson Combat 11" .300 BLK SBR Stainless Pistol Barrel All Wilson Combat Match Grade AR-15 barrels are precisely crafted of the finest American-made 416R rifle rated steel on computer controlled equipment to our exacting list of technical specifications...$229.95 -
Winchester Ammo USA300B147 USA Target 300 Blackout 147 gr Full Metal Jacket Open Tip (FMJOT) Rifle Ammo - 20 Rounds
Winchester
$17.99Winchester Ammo USA300B147 USA Target 300 Blackout 147 gr Full Metal Jacket Open Tip (FMJOT) Rifle Ammo - 20 Rounds Backed by generations of legendary excellence, Winchester USA White Box stands for consistent performance and outstanding value, offering...$17.99 -
5" .300 BLK 1:5 Micro Black Nitride Barrel
Black Rifle Depot
MSRP: $119.95$89.955" .300 BLK 1:5 Micro Black Nitride Barrel Compact Power and Precision The 5" .300 BLK 1:5 Micro Black Nitride Barrel by Black Rifle Depot is engineered for top performance in compact AR builds. Crafted in partnership with trusted American Tier 1...MSRP: $119.95$89.95 -
8.5" 300 Blackout 1:8 Pistol Length Barrel - Black Nitride
Black Rifle Depot
MSRP: $122.95$79.958.5" 300 Blackout 1:8 Pistol Length Barrel - Black Nitride Compact power and clean cycling—made for short-barrel performance. The 8.5" 300 Blackout 1:8 Pistol Length Barrel – Black Nitride from Black Rifle Depot is a compact, American-made...MSRP: $122.95$79.95 -
Out of stock
8.5" 300 Blackout 1:8 Pistol Length Barrel - Parkerized
Black Rifle Depot
MSRP: $99.95$87.958.5" 300 Blackout 1:8 Pistol Length Barrel - Parkerized We take pride in partnering with top-tier machine shops and barrel manufacturers to offer you the best barrels under our BRD brand. When we identify a barrel maker that meets our high standards, we...MSRP: $99.95$87.95 -
Out of stock
8.5" 300 Blackout Parkerized Heavy Barrel, 1:8 Pistol Length
Black Rifle Depot
MSRP: $71.99$64.958.5" 300 Blackout Parkerized Heavy Barrel, 1:8 Pistol Length Precision and Durability in a Compact 300 Blackout Barrel The 8.5" 300 Blackout Parkerized Heavy Barrel is crafted for the AR-15 platform with precision and durability in mind. Featuring a 1:8...MSRP: $71.99$64.95 -
Out of stock
Aero Precision 8" .300 BLK Complete Upper w/ No Forward Assist & M-LOK ATLAS R-ONE Handguard - Black
Aero Precision
MSRP: $434.99$374.95Aero Precision 8" .300 BLK Complete Upper w/ No Forward Assist & M-LOK ATLAS R-ONE Handguard - Black This AR-15 Complete Upper Receiver, paired with the ATLAS R-ONE handguard streamlines the appearance of your next AR-15 build by removing the Forward...MSRP: $434.99$374.95 -
Out of stock
Aero Precision AR15 Complete Upper w/ No Forward Assist, 8" .300 Blackout Barrel, 7" M-LOK ATLAS S-ONE Handguard - Anodized Black
Aero Precision
MSRP: $434.99$426.95Aero Precision AR15 Complete Upper w/ No Forward Assist, 8" .300 Blackout Barrel, 7" M-LOK ATLAS S-ONE Handguard - Anodized Black This AR15 Complete Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build...MSRP: $434.99$426.95 -
Out of stock
Aero Precision M4E1 Complete Upper 10" .300 Blackout Barrel EM-9 Gen 2 Handguard - Anodized Black
Aero Precision
MSRP: $615.00$535.95Aero Precision M4E1 Complete Upper 10" .300 Blackout Barrel EM-9 Gen 2 Handguard - Anodized Black This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for...MSRP: $615.00$535.95 -
Out of stock
Aero Precision M4E1 Complete Upper 16" .300 Blackout Barrel EM-15 Gen 2 Handguard - Anodized Black
Aero Precision
MSRP: $660.00$565.95Aero Precision M4E1 Complete Upper 16" .300 Blackout Barrel EM-15 Gen 2 Handguard - Anodized Black This Complete Upper includes Aero Precision's Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced...MSRP: $660.00$565.95 -
Out of stock
Aero Precision M4E1 Complete Upper 8" .300 Blackout Barrel EM-7 Gen 2 Handguard - Anodized Black
Aero Precision
MSRP: $595.00$516.95Aero Precision M4E1 Complete Upper 8" .300 Blackout Barrel EM-7 Gen 2 Handguard - Anodized Black This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design...MSRP: $595.00$516.95 -
Out of stock
Aero Precision M4E1 Complete Upper 8" .300 Blackout Barrel EM-7 Gen 2 Handguard - FDE Cerakote
Aero Precision
MSRP: $635.00$549.95Aero Precision M4E1 Complete Upper 8" .300 Blackout Barrel EM-7 Gen 2 Handguard - FDE Cerakote This Complete Upper includes Aero Precision's Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced...MSRP: $635.00$549.95 -
Out of stock
Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - Anodized
Aero Precision
MSRP: $615.00$529.95Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - Anodized Explore the capabilities of the Aero Precision M4E1 Threaded Complete Upper, designed for shooters who prioritize compact...MSRP: $615.00$529.95 -
Out of stock
Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote
Aero Precision
MSRP: $655.00$569.95Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote This complete upper includes Aero Precision's new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while...MSRP: $655.00$569.95 -
Aero Precision M4E1-T Complete Upper, 16" .300 Blackout Barrel, 12" M-LOK ATLAS S-ONE HG - Anodized Black
Aero Precision
MSRP: $550.00$504.95Aero Precision M4E1-T Complete Upper, 16" .300 Blackout Barrel, 12" M-LOK ATLAS S-ONE HG - Anodized Black This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the...MSRP: $550.00$504.95 -
Out of stock
Aero Precision M4E1-T Complete Upper, 16" .300 Blackout Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized Black
Aero Precision
MSRP: $660.00$573.95Aero Precision M4E1-T Complete Upper, 16" .300 Blackout Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized Black This AERO Precision Complete Upper is equipped with the new ATLAS S-ONE Handguard, part of our S-ONE line that emphasizes size reduction and weight...MSRP: $660.00$573.95