Gemtech GVAC 16 Upper Receiver – Suppressor Optimized 5.56 NATO
Not Yet Rated | Write the First Review SKU: 222-GEM-13833
UPC: 22188894615
MFG#: 13833

Gemtech GVAC 16 Upper Receiver – Suppressor Optimized 5.56 NATO

Engineered for suppressed performance. The Gemtech GVAC 16 Upper Receiver is purpose-built to reduce gas blowback, enhance reliability, and provide unmatched shooting comfort when running suppressed or unsuppressed. Designed with precision machining and advanced materials, this upper delivers superior control and durability on any AR-15 platform.

Product Overview

The GVAC 16 is not just another AR-15 upper — it’s a suppressor-optimized system designed for today’s shooters who demand performance, accuracy, and comfort. Featuring a 16.1-inch barrel with a 1:8 twist rate, a mid-length gas system, and Gemtech’s Enhanced Tactical Muzzle (ETM) device, this upper keeps your rifle flat, accurate, and reliable under any condition.

Built with a free-float 15-inch M-LOK handguard and nickel boron barrel extension, the GVAC 16 balances strength with smooth operation, giving shooters a premium option for both tactical and recreational use.

Key Features

• Caliber: 5.56 NATO / .223 Remington

• Barrel: 16.1" precision barrel with 1:8 twist

• Gas System: Mid-length for balanced cycling

• Handguard: 15" free-float M-LOK rail for accessories and optics

• Muzzle Device: Factory-installed Gemtech ETM flash hider

• Bolt Carrier Group: Suppressor-optimized, enhanced reliability under suppressed fire

• Finish: Nickel boron plated barrel extension for smoother operation

• Compatibility: Fits standard AR-15 lower receivers

Why Choose the Gemtech GVAC 16?

Suppressors change how rifles run, and the GVAC 16 was built with that in mind. By reducing excess blowback, heat, and fouling, this upper extends the life of your rifle and makes suppressed shooting more enjoyable.

Unlike traditional uppers, the GVAC 16 provides smoother cycling, reduced recoil impulse, and better gas management — meaning less face blast and more time on target. Whether you’re training, competing, or operating in the field, the GVAC delivers professional-grade performance in a package ready to mount and fire.

Specifications

Installation & Use

• Pairs seamlessly with most AR-15 lowers

• Ready to use out of the box — ETM flash hider and free-float handguard pre-installed

• Ensure proper torque and alignment before firing

• Designed to excel with both suppressed and unsuppressed configurations

FAQs

Q: What makes the GVAC 16 different from a standard AR-15 upper?
The GVAC 16 is engineered to reduce gas blowback, improve cycling, and provide better reliability when shooting suppressed, making it superior for dedicated suppressed use.

Q: Will this upper work with any AR-15 lower receiver?
Yes. The GVAC 16 is fully compatible with standard AR-15 lowers chambered in 5.56 NATO/.223 Rem.

Q: Does the GVAC 16 include a bolt carrier group?
Yes. It comes with a suppressor-optimized, enhanced BCG designed to handle both suppressed and unsuppressed shooting.

Q: What kind of barrel twist does it use?
It features a 1:8 twist rate, which provides excellent performance with a wide range of 5.56/.223 bullet weights.

Q: Is the ETM flash hider removable?
Yes. The Gemtech ETM flash hider comes pre-installed but can be removed and replaced with other muzzle devices if desired.

Q: Can I attach accessories to the handguard?
Absolutely. The 15-inch free-float M-LOK rail allows for mounting optics, lights, grips, and other accessories.

Upgrade Your AR-15 with Suppressor-Ready Precision

The Gemtech GVAC 16 Upper Receiver offers more than just parts — it’s a performance-driven system that makes suppressed shooting smoother, cleaner, and more reliable. Whether you’re on the range, in competition, or relying on your rifle in critical situations, the GVAC is built to exceed expectations.