BCM Standard 12.5" Carbine 5.56 Barrel
BCM's button-rifled 12.5" carbine-gas barrel for compact 5.56 SBR and pistol builds.
- Price
- $279
- Weight
- 1 lb 7 oz
- Brand
- Bravo Company Manufacturing
- Category
- Barrels
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Features
- •12.5" length, Government profile
- •Carbine gas system
- •5.56 NATO chamber, 1:7 twist
- •11595E CMV steel, chrome-lined bore and chamber
- •.750" gas journal
- •M4 feed ramps, HP and MPI tested
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Overview
BCM's Standard 12.5" Carbine barrel fills the compact 5.56 slot between CQB 10.3/11.5" barrels and pin-and-weld 13.7/14.5" builds. The barrel uses 11595E CMV steel, a chrome-lined bore and chamber, manganese phosphate exterior finish, M4 feed ramps, and BCM's HP/MPI inspection process.
The 12.5" length gives a short gun a little more dwell time and velocity than the shortest CQB barrels while keeping the front end compact. The carbine gas system and .750" journal accept common low-profile gas blocks, and the barrel is light enough for a general-purpose SBR or pistol that still needs reliable 5.56 performance.
Key Features
- 12.5" Government-profile 5.56 NATO barrel
- 11595E CMV steel with chrome-lined bore and chamber
- Carbine gas system with .750" gas journal
- 1:7 twist for common 55 to 77 grain 5.56 loads
- Manganese phosphate exterior finish
- M4 feed ramps
- HP proof tested and MPI inspected
Pros
- +More dwell and velocity than shorter 10.3" and 11.5" barrels
- +Chrome lining and BCM inspection process suit hard-use compact builds
- +Common .750" gas journal keeps gas block selection simple
- +Lower cost than BCM's BFH cold hammer forged barrel line
Cons
- −Sub-16" barrel: assemble it as an SBR or a pistol, not a standard rifle
- −Carbine gas is sharper than mid-length gas on longer barrels
- −Button-rifled Standard line is less premium than BCM BFH
- −Government profile carries more front-end weight than pencil contours
Detailed Specifications
- Length
- 12.5"
- profile
- Government
- chamber
- 5.56 NATO
- twist
- 1:7
- Material
- 11595E CMV
- construction
- Button rifled
- Finish
- Chrome-lined bore and chamber, manganese phosphate exterior
- gasSystem
- Carbine
- gasJournal
- .750"
- feedRamps
- M4
- testing
- HP proof, MPI
- weight
- Approximately 1 lb 7 oz
- sku
- BCM-BRL-s-12-STD
- madeIn
- USA
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Add the BCM Standard 12.5" Carbine 5.56 Barrel to your build and see how it enhances your platform.