The Colt ERP, or Enhanced Patrol Rifle, line of M4 Upper Receivers that come with Centurion Arms free float M-LOK® handguards, making for a convenient and practical upper receiver ready to drop on your AR-15 lower receiver.
Comes with a chrome lined barrel that has a 1-7 twist, is button rifled, and has a phosphate finish.
Cartridge: 5.56 mm NATO
Finish: Black
Length: 16"
Muzzle: 1/2-28
Style: Complete
Twist: 1-7
Made in the USA
- Manufacturer Part Number:
- LE6920EPR-CK
- Sub Category:
- Complete Uppers
- Cartridge:
- 5.56x45 Nato
- Barrel Length:
- 16"
- Handguard Style:
- M-LOK
- Handguard Material:
- Aluminum
- Color:
- Black
