Colt M4CQB Replacement Barrel Stripped 10.3in
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Colt
Overview
The Colt M4cqb Replacement Barrel is a 10.3-inch M4 profile barrel designed for the 5.56 NATO caliber, making it suitable for compact and lightweight builds. With a carbine-length gas system and a 1:7 twist rate, this barrel offers optimal performance for stabilization of a range of bullet weights, ensuring reliable cycling and accuracy. This barrel is commonly found in builds that prioritize maneuverability and versatility, such as short-barreled rifles (SBRs) and tactical setups.
Specifications
August 2026 on GunPartPicker
Colt M4CQB Replacement Barrel Stripped 10.3in ranked #97 of the 298 barrels builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since June 2026. All time, it ranks #185 of the 814 barrels builders have added.
It was out of stock everywhere we track for all of August 2026.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 5 builds that include this one
Geissele Automatics AR-15 SSA X Lightning Bow Trigger
Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth
Knights Armament Ras Handguard 'Too Long' Free Float Picatinny Black
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Geissele Super Charging Handle (SCH), 7.62, Desert Dirt Color 05-476S
Magpul MBUS AR-15 Iron Sight Front Flip Up, FDE - MAG247-FDE
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
Builds Featuring This Part
See all 3 →Builds in the community that include the Colt M4cqb Replacement Barrel Stripped 10.3in
| Build | Parts | Total |
|---|---|---|
 | 22 | $1758.10 |
 | 7 | $2901.97 |
 | 8 | $1811.14 |
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