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 Geissele URG-I is a near clone of the upper receiver group currently in use with USASOC. Designed to take the rigors of the M855A1 ammunition, the URG-I takes full advantage of its capabilities.
The URG-I complete upper receiver includes a 14.5″ GOV profile, Hammer Forged,  ChromolyV, Chrome-lined barrel, with a 1:7″ twist and includes a Surefire 4 Prong SF4P Flash Hider. The 14.5″ URG-I uses a mid-length gas system and utilizes a Super Compact Gas Block with bomb-proof installation for reliability and optimal performance.
The URGI-I uses a 13.5″ MK16 Modular Rail with M-LOK compatibility and DDC finish. This rail is a variant of the same rail used by USASOC and renowned operators. Also included is a Geissele REBCG, the carrier is constructed from 8620 steel and uses a staked, chrome-lined gas key. The bolt is made from Carpenter 158+ which is forged for a stronger and fatigue resistant structure. Each bolt is inspected, high pressure tested and mag particle inspected.

This is a complete upper receiver and will mount to AR15/M4 lower receivers.
*The URG-I 14.5″ Upper has a pin/welded muzzle device for 16″ minimum overall barrel length.

Specifications

Caliber
5.56 NATO

Operation
Direct Impingement

Gas Length
Mid

Barrel Length
14.5″(16″ pin/weld)

Barrel
Geissele GOV Profile, Hammer Forged, Chrome Lined, Mag Phos, ChromolyV

Twist
1:7

Gas Block
Geissele Super Gas Block, .750, Pinned

Muzzle
Surefre SF4P 4 Prong Flash Hider

Upper Receiver
MilSpec M4

Hand guard
Geissele SMR MK16, DDC, 13.5″, M-LOk

Bolt Carrier Group
Geissele REBCG, Carpenter 158 Bolt, M16

Charging Handle
Geissele Airborne, DDC

Buffer Assembly
Geissele Super 42 Braided Wire Spring, H1 Buffer