Colt LE6921 Upper Group
Brownells has released several new products today including the Colt LE6921 Upper Group in various configurations. These upper groups feature a 1/7 RH twist, chrome lined, button rifled barrel and are available with or without a charging handle, bolt carrier group, and back up sights.
Colt LE6921 Upper Group Configurations
- 160-710-147WB M4 LE6921 Upper Group 14.5in Stripped
- Mfr Part: SP401165
- Cartridge: 5.56 mm NATO
- Contour: Carbine
- Finish: Black
- Length: 14.5″
- Muzzle: 1/2-28
- Style: Complete
- Twist: 1-7
- Made in the USA
- 160-000-388WB M4 LE6920 Upper Group 16in with BCG and Sights
- Mfr Part: LE6920CK
- Cartridge: 5.56 mm NATO
- Finish: Black
- Length: 16
- Style: Complete
- Made in the USA
- 160-000-392WB M4 LE6921 Upper Group 14.5in with BCG and Sights
- Mfr Part: LE6921CK
- Cartridge: 223 Remington, 5.56 mm NATO
- Finish: Black
- Length: 14.5
- Style: Complete
- Made in the USA
- 160-710-148WB M4 LE6933 Upper Group 11.5in with BCG and Sights
- Mfr Part: 6933
- Cartridge: 5.56 mm NATO
- Contour: Carbine
- Finish: Black
- Length: 11.5″
- Muzzle: 1/2-28
- Style: Complete
- Twist: 1-7
- Made in the USA
- 160-710-149WB M4 LE6933 Upper Group 11.5in Stripped
- Mfr Part: 64785
- Cartridge: 5.56 mm NATO
- Contour: Carbine
- Finish: Black
- Length: 11.5″
- Muzzle: 1/2-28
- Style: Complete
- Twist: 1-7
- Made in the USA
- Visit Brownells for More Info
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