CMMG BBL SUB ASSEMBLY 223REM 12.5 MULTI ROLE 55DDF0A

CMMG .223 Rem 12.5'' Multi-Role Barrel Sub-Assembly - 55DDF0A (UPC 815835016221) Build the ultimate CQB AR with the CMMG 12.5'' .223 Remington Barrel Sub-Assembly Multi-Role – model 55DDF0A, UPC 815835016221. This complete drop-in unit features a nitride-treated barrel, integrated low-profile gas block, and pin/weld muzzle device for NFA compliance or pistol builds. CMMG's battle-proven design for suppressed or unsuppressed dominance. Top-Tier Features of the CMMG Multi-Role Barrel 12.5'' 4150 CMV Barrel: Multi-role profile balances weight, velocity, and maneuverability. QPQ Nitride Finish: Melonite treatment for corrosion resistance and 20,000+ round life. Integrated Gas Block: Low-profile, dimpled for rock-solid set screws. M4 Feed Ramp Extension: Reliable feeding with any mag. 1:7 Twist Rate: Stabilizes 55-77gr bullets perfectly. Pre-Pinned Muzzle Device: A2 flash hider or brake – legal 16'' OAL without stamp. Complete Sub-Assembly: Barrel, gas tube, block, pin – ready for your upper. Powerhouse Performance for AR Builders 12.5'' barrels excel in home defense and duty – CMMG tunes it for flawless function. "Runs suppressed like a dream – zero tuning needed!" lauds a PDW user. Accuracy under 1.5 MOA with quality ammo. Essential for CMMG 12.5 AR barrel, .223 multi-role sub assembly, 55DDF0A barrel, and pinned AR15 barrel. UPC 815835016221 – CMMG reliability. Complete Specifications SpecificationDetails Model Number55DDF0A UPC815835016221 Caliber.223 Remington / 5.56 NATO Barrel Length12.5 inches Twist Rate1:7 Material/Finish4150 CMV QPQ Nitride Gas SystemCarbine-Length IncludesGas Block, Tube, Pinned Muzzle Device Builder Buzz "Drop-in perfection for my 12.5 SBR – eats everything!" – NFA Nate, VA "CMMG quality shines. Accurate and reliable." – Duty Dave, TX Assemble Your CQB King The CMMG 55DDF0A 12.5'' Barrel Sub-Assembly is ready for action. Complete your upper – supreme maneuverability awaits! Build better with CMMG! The End