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Questions & Answers
Will this 6.5 creedmoor 24 barrel fit any dpms lr 308 lAr10 or it's just made for the mk ar10? Expert Answer

CMMG lists compatibility with the High Pattern LR-308 upper group. This barrel should work with DPMS Gen 1 rifles.

by Kurt Colbourne, Gear Expert, October 14, 2021
what is the gas block journal size Expert Answer

The gas block journal diameter is listed with each barrel, either .750" or .936".

by Kurt Colbourne, Gear Expert, October 14, 2021
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Product Info for CMMG, Inc 6.5 Creedmoor Barrel Sub-Assembly

Perfect for building your custom MK3 upper group. Comes with properly installed barrel extension. All barrel sub-assemblies are properly headspaced. Taper Profile. Bead Blasted 416 Stainless Steel. 1:8 Twist. 6.5 Creedmoor AR Match Chamber. Threaded 5/8-24. Rifle Length Gas Port.image

Specifications for CMMG, Inc 6.5 Creedmoor Barrel Sub-Assembly:

Manufacturer: CMMG
Color: Black
Finish: Salt Bath Nitride
Fabric/Material: 416 Stainless Steel
Caliber: 6.5mm Creedmoor
Gas System Length: Rifle Length
Barrel Twist Rate: 1-8
Flutes: Yes
Gun Model: AR-10
Gun Type: Rifle
Firearms Threads Per Inch: 5/8x24

Package Contents:

  • CMMG, Inc 6.5 Creedmoor Barrel Sub-Assembly

CMMG, Inc 6.5 Creedmoor Barrel Sub-Assembly Orderable Models

List of Orderable Models

  • CMMG, Inc Barrel Sub-Assembly, Medium Taper, 6.5 Creedmoor, 20in, 416SS, Salt Bath Nitride, 65D140C , MPN: 65D140C , UPC: 816422026845 , Code: 2CM-ATB-CMMG65BSA-65D140C-65D140C
  • CMMG, Inc Barrel Sub-Assembly, Heavy Taper, 6.5 Creedmoor, 24in, 416SS, Salt Bath Nitride, 65DFA0A , MPN: 65DFA0A , UPC: 816422026883 , Code: 2CM-ATB-CMMG65BSA-65D140C-65DFA0A

CMMG, Inc 6.5 Creedmoor Barrel Sub-Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • CMMG, Inc Barrel Sub-Assembly, Medium Taper, 6.5 Creedmoor, 20in, 416SS, 65D4C87 , MPN: 65D4C87 , UPC: 815835018980 , Code: 2CM-ATB-CMMG65BSA-65D140C-65D4C87
  • CMMG, Inc Barrel Sub-Assembly, Heavy Taper, 6.5 Creedmoor, 24in, 416SS, 65D9F9B , MPN: 65D9F9B , UPC: 815835018973 , Code: 2CM-ATB-CMMG65BSA-65D140C-65D9F9B
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Last updated 2026-08-14 UTC.