Colt167528973
Colt M4 Le6933 Epr Upper Group 11.5In W/ Bcg.$1,126.24
Availability: In Stock
Current Stock: Out of stock
The Colt M4 LE6933 upper group delivers the legendary reliability Colt is known for in a complete, ready-to-assemble platform. Built around an 11.5-inch barrel with a 1/7 right-hand twist, this upper comes chrome-lined and button-rifled for accuracy and longevity. Whether you're building an SBR, running a shorter carbine for close-quarters work, or setting up an integrally-suppressed rig, this upper includes the BCG and backup iron sights, so you're not hunting for critical components. Chrome lining means less maintenance and longer life in harsh conditions—exactly what you need when reliability matters.
This is a complete upper receiver group, which means it pairs with any mil-spec lower to form a functional firearm. The 11.5-inch barrel is compact enough for tight spaces and vehicle work without the velocity loss of shorter barrels. The included backup sights give you a mechanical aiming solution when optics fail or aren't an option. Important note: NFA rules apply to short-barreled rifles in most jurisdictions, so verify your local laws before assembly.
Colt's manufacturing standards and button-rifled barrel geometry support both speed and precision. The 1/7 twist stabilizes everything from lighter varmint rounds to heavier match ammunition, giving you flexibility across the 5.56 NATO spectrum. If you're assembling a professional-grade short rifle or need a combat-proven upper for an existing lower, the LE6933 brings Colt's pedigree and no-nonsense engineering to the build.
| Manufacturer | Colt |
| Model | M4 LE6933 |
| Barrel Length | 11.5 inches |
| Barrel Profile | Chrome-lined, button-rifled |
| Twist Rate | 1/7 right-hand |
| Includes | Upper receiver, barrel, bolt carrier group, charging handle, backup sights |
| Caliber Compatibility | 5.56 NATO |
This is a complete upper receiver group, so it includes the upper receiver, barrel, BCG, charging handle, and backup iron sights. You'll still need a compatible mil-spec lower receiver and any furniture or controls you want to add to finish the rifle.
The 1/7 right-hand twist completes one full rotation of the bullet over 7 inches of barrel travel. This twist rate is versatile for 5.56 NATO and accommodates both lighter varmint rounds and heavier match ammunition, making it suitable for general-purpose shooting and hunting.
Yes—NFA rules apply to short-barreled rifles in most U.S. jurisdictions. A barrel under 16 inches makes the assembled rifle an NFA firearm, which typically requires registration and a tax stamp. Verify all local and federal laws before assembly.
Chrome lining extends barrel life and reduces maintenance by resisting corrosion and heat stress. It's a proven durability upgrade especially valuable in military and professional-grade rifles operating in harsh environments or under heavy use.
SKU: 167529643 • Weight: 5oz
Availability: In Stock
Current Stock: Out of stock
The Colt M4 LE6933 upper group delivers the legendary reliability Colt is known for in a complete, ready-to-assemble platform. Built around an 11.5-inch barrel with a 1/7 right-hand twist, this upper comes chrome-lined and button-rifled for accuracy and longevity. Whether you're building an SBR, running a shorter carbine for close-quarters work, or setting up an integrally-suppressed rig, this upper includes the BCG and backup iron sights, so you're not hunting for critical components. Chrome lining means less maintenance and longer life in harsh conditions—exactly what you need when reliability matters.
This is a complete upper receiver group, which means it pairs with any mil-spec lower to form a functional firearm. The 11.5-inch barrel is compact enough for tight spaces and vehicle work without the velocity loss of shorter barrels. The included backup sights give you a mechanical aiming solution when optics fail or aren't an option. Important note: NFA rules apply to short-barreled rifles in most jurisdictions, so verify your local laws before assembly.
Colt's manufacturing standards and button-rifled barrel geometry support both speed and precision. The 1/7 twist stabilizes everything from lighter varmint rounds to heavier match ammunition, giving you flexibility across the 5.56 NATO spectrum. If you're assembling a professional-grade short rifle or need a combat-proven upper for an existing lower, the LE6933 brings Colt's pedigree and no-nonsense engineering to the build.
| Manufacturer | Colt |
| Model | M4 LE6933 |
| Barrel Length | 11.5 inches |
| Barrel Profile | Chrome-lined, button-rifled |
| Twist Rate | 1/7 right-hand |
| Includes | Upper receiver, barrel, bolt carrier group, charging handle, backup sights |
| Caliber Compatibility | 5.56 NATO |
This is a complete upper receiver group, so it includes the upper receiver, barrel, BCG, charging handle, and backup iron sights. You'll still need a compatible mil-spec lower receiver and any furniture or controls you want to add to finish the rifle.
The 1/7 right-hand twist completes one full rotation of the bullet over 7 inches of barrel travel. This twist rate is versatile for 5.56 NATO and accommodates both lighter varmint rounds and heavier match ammunition, making it suitable for general-purpose shooting and hunting.
Yes—NFA rules apply to short-barreled rifles in most U.S. jurisdictions. A barrel under 16 inches makes the assembled rifle an NFA firearm, which typically requires registration and a tax stamp. Verify all local and federal laws before assembly.
Chrome lining extends barrel life and reduces maintenance by resisting corrosion and heat stress. It's a proven durability upgrade especially valuable in military and professional-grade rifles operating in harsh environments or under heavy use.
SKU: 167529643 • Weight: 5oz