Description
Overview
The Geissele Automatics URG-I Complete Upper Receiver 11.5″ is a high-performance AR-15 upper that delivers compact handling with full-sized reliability. Built around an 11.5″ barrel and a free float rail system, this upper offers an ideal balance of maneuverability and accessory space. Each unit arrives assembled with premium components installed so it can be mated to a compatible lower for immediate use.
What It Does
This complete upper receiver group gives your rifle a compact yet capable configuration for fast handling on the range or in defensive applications. The 11.5″ barrel promotes quick point-of-aim transitions while still generating effective velocity from 5.56 NATO ammunition. The free float rail provides continuous space for optics, weapon lights, lasers, and back up sights. A quality bolt carrier group and charging handle come pre-installed to support dependable function and smooth cycling from the first shot to the last.
Features
- 11.5″ barrel designed for maneuverable performance.
- Free float rail system with modular attachment points.
- Premium bolt carrier group included for reliable operation.
- Ambidextrous charging handle for flexible manipulation.
- Carbine length gas system tuned for consistent cycling.
- Precision engineered components built for long term use.
- Assembled and ready to mount on standard AR-15 lowers.
Specs
- Chambered in 5.56 NATO for broad ammunition compatibility.
- 11.5″ barrel length with a tuned carbine gas system.
- Free float rail with continuous accessory space.
- Mil-Spec indexed upper receiver with M4 feed ramps.
- Includes bolt carrier group and charging handle.
FAQ
Will this fit my AR-15 lower?
Yes. It is designed to mate with standard AR-15 lowers using typical barrel extension and pin spacing.
Is this a complete upper?
Yes. It arrives assembled with the barrel, rail, bolt carrier group, and charging handle ready to install.
What caliber does it use?
It is chambered in 5.56 NATO, giving you access to a wide range of ammunition choices.
Can I mount optics or accessories?
Yes. The free float rail system provides generous continuous space for lights, lasers, optics, and other gear.
Is it suitable for defensive or range use?
Yes. The 11.5″ barrel and quality components make it a versatile choice for both tactical and recreational builds.
Does it cycle reliably?
Yes. The carbine length gas system and premium parts support smooth cycling and consistent operation.