Click to see full view
CMMG
Overview
The CMMG Barrel Sub Assembly is designed for the 6mm ARC caliber, providing a twist rate of 1:7, which optimizes stability for a range of bullet weights and enhances overall accuracy. With a thread pitch of 5/8x24, this barrel allows for compatibility with a variety of muzzle devices, making it adaptable for different shooting applications. This barrel is often found in precision-oriented builds where long-range performance and effective recoil management are priorities.
Specifications
Upgrade Your AR-15/MK4 with CMMG Barrel Sub Assembly - Black - 60D100C
Available Merchants(8)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG Upgrade Your AR-15/MK4 with CMMG Barrel Sub Assembly - Black - 60D100C to a build in May 2026.
It was in stock most days in September 2026, but today 2 of the 8 retailers we track have it in stock. It dipped to $138.02 at BattleHawk Armory for a stretch in September 2026, well under its usual $174.99 to $229.23, so sales do come around. Buying today, the lowest price is $174.99 at GritR Sports, above September's low of $138.02, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which barrel to pick?
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
Frequently Built With
Popular alongside barrels on GunPartPicker
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company M16 Bolt Carrier Group Black
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
No reviews yet. Be the first to review this product!