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This complete upper is equipped with our cutting-edge Minimal Optical Deflection (MOD) 4 Handguard, paired with an 18" .223 Wylde Carbon Fiber PROOF Research Barrel. Engineered for excellence, this Barrel features unrivaled reliability and precision. Elevate your shooting experience with this precision-crafted complete upper.
The MOD 4 Handguard included with this complete upper receiver features a 7 sided M-LOK® interface allows the user to customize this upper to their exact specifications and needs. Lastly, each of the 4 QD sockets on the MOD 4 utilize a steel liner to ensure a higher shear load and longer service life with the continued use of QD swivels.
INCLUDES:
M4E1 Threaded Assembled Upper Receiver
MOD 4 15" Handguard
18" .223 Wylde Carbon Fiber PROOF RESEARCH Barrel
Low Profile Gas Block and Gas Tube
Product comes assembled
This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab
M4E1 THREADED UPPER RECEIVER FEATURES:
New enhanced forging that gives the upper receiver a "billet look"
New picatinny profile that blends seamlessly with our Enhanced Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes port door and forward assist installed
MOD 4 HANDGUARD FEATURES:
Full top picatinny rail for optional attachments
Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
Compatible with low profile gas blocks
1.2" Inside diameter
1.5" Outside diameter
Compatible with mil-spec AR15 upper receivers and barrels
18" .223 WYLDE CARBON FIBER BARREL FEATURES:
.223 Wylde
Carbon Fiber Finish
.750" gas block journal
18" Rifle-Length Gas System
M4 Feed Ramp Extension
Standard A2 Flash Hider