AR-15 M4CQB 5.56 BARREL 10.3IN
Click to see full view
Colt
Overview
The Colt AR-15 M4CQB barrel is designed for compact builds, featuring a 10.3-inch length specifically optimized for 5.56 NATO caliber ammunition. This shorter barrel improves maneuverability in tight spaces while still delivering reliable performance and accuracy, making it suitable for tactical applications. You will often find this barrel in short-barreled rifles (SBRs) aimed at close-quarters engagements or personal defense scenarios.
Specifications
Available Merchants
Price Alert
Log in to set a price alert on this product.
No Available merchants at this time.
Frequently Built With
Based on build data
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower ReceiverBuild 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.
CaliberBased on real build data showing which calibers builders choose alongside this product.
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 153 |
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 146 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 144 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 136 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 132 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 118 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.2% |
| AR-10 | 9.1% |
| AR-9 | 2.6% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
No reviews yet. Be the first to review this product!