Bravo Company Ar-15 Barrel 12.5" 5.56 Nato 1:7 Carbine Length Govt. Profile

Bravo Company Ar-15 Barrel 12.5" 5.56 Nato 1:7 Carbine Length Govt. Profile - Barrel for AR-15 - view 1
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Bravo Company

Overview

The Bravo Company 12.5" AR-15 barrel is designed for 5.56 NATO caliber rifles and features a Government profile, which provides a balance of rigidity and weight. With a 1:7 twist rate, this barrel is optimized for stabilizing heavier bullet weights, making it versatile for various ammunition types. The carbine-length gas system ensures reliable cycling with shorter gas distances, which is ideal for compact builds where maneuverability is key. This barrel is commonly found in builds focused on tactical and close-quarters applications.

Specifications

MPNBCM-BRL-S-12-STD
Barrel Length11.5
Gas System LengthCarbine
Thread Pitch1/2x28
CoatingManganese Phosphate
Barrel ProfileGovernment
Caliber5.56 NATO
Twist Rate1:7

Available Merchants(1)

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Bravo Company USA
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$279

Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

100%
5.56 NATO100%

Gas System

100%
Carbine100%
Frequently Built With Products
ProductCategoryTimes Built Together
Bravo Company M16 Bolt Carrier Group Black3
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M43
Aero Precision Ar-15 Ejection Port Cover Assembly2
Strike Industries Collar Adjustable Gas Block2
Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized2
Bravo Company Mfg M-LOK 15" Modular Rail, Black - MCMR15556BLK2
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO100%
Build Gas System Breakdown
Gas SystemPercentage
Carbine100%

Builds Featuring This Part

See all 5

Builds in the community that include the Bravo Company Ar-15 Barrel 12.5" 5.56 Nato 1:7 Carbine Length Govt. Profile

BuildPartsTotal
Hog hunter 12.5" 5.56
12$926.16
PSA 12.5" 5.56
8$1552.49
first 5.56 build
14$3236.19
as a backup 12.5"
24$2524.20
PSA 12.5" 5.56
13$1404.08

Customer reviews

5.0out of 5

2 global ratings

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Top reviews

B
blackoni
BCM 12.5 SBR barrel proven
Reviewed on February 12, 2026Verified with Build

BCM 12.5 carbine length government contour barrel runs softer than expected for the length. Chamber and bore finish are mirror clean. 1:7 twist handles 77gr SMK loads. Carbine gas at 12.5 is a hot system but functional.

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O
owen32
build quality is there
Reviewed on January 16, 2026Verified with Build

honestly impressed for the price

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