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COLT M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS
Colt's LE6940/LE6945 upper receiver groups feature a monolithic upper receiver with a one-piece Picatinny top rail and rigid mounting surfaces, plus a free-floating barrel. A built-in flip-up front sight is compatible with most standard rear sights. Barrel options include 16" or 10.3" chrome-lined, 1-7 twist, button rifled barrels. These upper groups are available with or without a charging handle, bolt carrier group, and back up sights.
Specifications
- Manufacturer:
- Colt
- Category:
- upper-receiver
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- Length:
- 10.3" - 16.0"
- MPN:
- SP400423
- Required Component:
- Yes
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