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.
Available in 3 different barrel lengths, each is chrome lined, has a 1-7 twist, is button rifled, and has a phosphate finish.
You can also choose between complete, which includes a M16 bolt carrier group and charging handle or stripped which does not include those items.
All NFA rules apply.
See all of our AR15s and AR15 parts here.
Gas Block Diameter:
Attachment Type:
Color:
Black
Barrel Length:
11.50
Hand:
Barrel Contour:
Carbine
Make Model Fit:
AR-15.Universal
Gas System Length:
Muzzle Threads:
Cartridge:
5.56x45 NATO
Model Number:
Item Length (Inches):
11.500
Receiver Style:
Stripped
Finish:
Matte
Muzzle Device Diameter:
Kit:
Twist:
1-7
Threaded Barrel Restriction:
Yes
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M4 LE6933 EPR Upper Group 11.5in Stripped
Your Price
Crow # 160710151
MFR # SP402307
UPC 098289600158
Iowa Warehouse
North Carolina Warehouse