The CMMG 12.5" Multi Role Barrel Sub-Assembly is designed for building a custom AR-15 upper group. It comes with a properly installed M4 barrel extension and is pre-headspaced for a drop-in fit. Chambered in 5.56x45 NATO, it features a 4140 chrome moly steel construction with a salt bath nitride finish inside and out for enhanced durability and corrosion resistance. Specs include a 1:7 twist rate, 1/2-28 threading, carbine-length gas port, and .750 gas journal.
CMMG 12.5" Multi Role Barrel Sub-Assembly 223 Rem/5.56 NATO
CMMG
MSRP:
$224.95
$166.78
(You save
$58.17
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CMMG
CMMG 12.5" Multi Role Barrel Sub-Assembly 223 Rem/5.56 NATO
- SKU:
- CMMG 55DDF0A
- UPC:
- 815835016221
- twist_rate:
- 1:7
- gas_system:
- Carbine Length
- profile:
- Multi Role
- upc:
- 815835016221
- threading:
- 1/2-28
- caliber:
- 5.56x45 NATO / .223 Rem
- material:
- 4140 Chrome Moly
- gas_journal:
- .750
- barrel_length:
- 12.5"
- sku:
- CMMG 55DDF0A
- finish:
- Salt Bath Nitride
- platform:
- AR-15
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