Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.
The FN FN15 M4A1 upper receiver features a 14.7″ chrome-lined barrel, permanently attached A2 flash hider, Mil-Spec forged upper receiver, Knight’s M4 RAS handguard, Matech rear sight, Mil-Spec BCG and charging handle.
This upper is ideal for your M4A1 Block 1 build.

Specifications

Caliber
5.56 NATO

Operation
Direct Impingement, Carbine

Barrel Length
14.7″

Barrel Type
Chrome-Lined, M4 Profile

Muzzle
A2 Flash Hider, 1/2-28(Pin/Welded)

Upper Receiver
Mil-Spec, A3 Forged

Front Sight
A2 Front Sight Base

Rear Sight
Matech, Adjustable

Handguard
M4 RAS, Picatinny, Rail Covers

Bolt Carrier Group
Mil-Spec M16 Profile, HPT/MPI Tested Carpenter 158 Bolt

Charging Handle
Standard USGI

All NFA rules apply.