Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
You May Also Like
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
(38)
List: $32.43 $17.99 Save $14.44
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
(26)
List: $27.99 $14.99 Save Up to $13.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
(26)
List: $24.95 $14.99 Save Up to $13.00
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
(11)
List: $27.33 $15.99 Save $11.34
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
(7)
List: $40.99 $22.99 Save $18.00
Duramag SS AR-15 Rifle Magazine, 5.56/.300BLK, 20 Round, Black w/Orange Follower, 1 Pack, Stainless Steel, 2023041178CPD-20RD
Duramag SS AR-15 Rifle Magazine, 5.56/.300BLK, 20 Round, Black w/Orange Follower, 1 Pack, Stainless Steel, 2023041178CPD-20RD
(3)
List: $28.99 $24.49 Save $4.50
On Sale FAB Defense Ultimag AR-15/M16, 5.56x45mm NATO, 30 Rounds Rifle Magazine, Black, 1S0-RM-EIQ76C-FX-UMAGR30-30RD
FAB Defense Ultimag AR-15/M16, 5.56x45mm NATO, 30 Rounds Rifle Magazine, Black, 1S0-RM-EIQ76C-FX-UMAGR30-30RD
(6)
List: $19.99 $14.44 Save $5.55
On Sale PMC Ammunition 556K X-Tac, 5.56x45mm NATO, 62 grain, Light Armor Piercing, Brass, Centerfire Rifle Ammo, 20, 5.56
PMC Ammunition 556K X-Tac, 5.56x45mm NATO, 62 grain, Light Armor Piercing, Brass, Centerfire Rifle Ammo, 20, 5.56
(99)
List: $14.99 $10.79 Save Up to $180.00
Blazin' Deal TRYBE Defense AR-15 Barrel, Pistol 10.5in, .223 Wylde, Government Profile, Black, BARPIST105223
TRYBE Defense AR-15 Barrel, Pistol 10.5in, .223 Wylde, Government Profile, Black, BARPIST105223
(22)
List: $174.99 $99.99 Save Up to $83.00
Clearance TRYBE Defense Threaded Barrel, AR-15, .300 Blackout, 10.5 inch, Government Profile, Pistol Length, 1-7 Twist, 5/8x24 Thread, Nitride Finish, Black, BARPIST105300
TRYBE Defense Threaded Barrel, AR-15, .300 Blackout, 10.5 inch, Government Profile, Pistol Length, 1-7 Twist, 5/8x24 Thread, Nitride Finish, Black, BARPIST105300
(11)
List: $174.99 $124.99 Save Up to $68.00
Questions & Answers
Finish: Salt Bath Nitride Caliber: 5.56x45mm NATO Barrel Length: 10.5 inBarrel Profile: Medium Tapered Gas System Length: Carbine Length Gas Block Journal Size-Diameter: .750 inThreads per Inch: 1/2x28 Barrel Twist Rate: 1-7 Flutes: No Gun Make: CMMG Weight: 0.9 lb

Code: 2CM-ATB-CP16-55D8D0A

MPN: 55D8D0A

UPC: 810046235577

List: $174.95Save 10%
$157.67

Buy Together and Save

Receive $3.15 OP Bucks

Product Info for CMMG AR 5.56mm 10.5in Barrel Sub-Assm

Barrels are the heart of a rifle or pistol, CMMG barrels are made with quality and precision as top priority. The 10.5 5.56mm barrel is no exception. Rest assured that all barrel sub-assemblies are properly headspaced and perfect for your next AR build.image

WARNING: California`s Proposition 65

Specifications for CMMG AR 5.56mm 10.5in Barrel Sub-Assm:

Manufacturer: CMMG
Finish: Salt Bath Nitride
Fabric/Material: 4140 Steel
Caliber: 5.56x45mm NATO
Barrel Length: 10.5 in
Barrel Profile: Medium Tapered
Gas System Length: Carbine Length
Gas Block Journal Size-Diameter: .750 in
Threads per Inch: 1/2x28
Barrel Twist Rate: 1-7
Flutes: No
Gun Make: CMMG
Weight: 0.9 lb

Package Contents:

  • CMMG AR 5.56mm 10.5in Barrel Sub-Assm

CMMG AR 5.56mm 10.5in Barrel Sub-Assm Orderable Models

List of Orderable Models

CMMG Barrel Sub-Assm, 10.5in MT 4140CM, Salt Bath Nitride, 5.56mm, 55D8D0A , MPN: 55D8D0A , UPC: 810046235577 , Code: 2CM-ATB-CP16-55D8D0A
Compare (0)