Description
When you're running a suppressor or dealing with short barrel pressures, standard charging handles let gas come right back at you. The M84 Gas Buster solves that problem with a specialized internal channel that diverts harmful gases and debris away from your face and eyes. It's not flashy, but it works.
How the Big Military Latch Works
The oversized military latch on this Gas Buster gives you a straight front edge that's easy to locate and grab, even under stress or wearing gloves. Unlike smaller latches, it doesn't demand precision when you're moving fast. The edges are rounded so you won't nick your fingers when operating the handle. It's a simple improvement that makes a real difference when you need speed and control.
Built to Last
PRI machines these from extra-strong 7075-T6 aluminum alloy with reinforced metal at stress points to resist twisting or cracking under hard use. The matte black hardcoat anodized finish resists wear, and the latch itself is steel so you won't have reliability issues when it matters. Every Gas Buster comes as a complete assembly ready to drop into your rifle without any additional parts needed.
Gas Buster Performance for Suppressed Rifles
The real benefit shows up when you run a can. Without gas management, suppressed rifles can throw a nasty powder cloud right in your face after just a few shots. The Gas Buster channels that back pressure away. You might get a whiff of gas instead of watering eyes. Unsuppressed rifles see improvement too, though the effect is more noticeable with a suppressor on shorter barrels. This is a patented design that's been proven in the field and earned Marine Corps approval.
Key Specifications
- Model: M84
- Manufacturer: Precision Reflex (PRI)
- Manufacturer Part Number: 05-0031
- UPC: 090222551275
- Latch Type: Military Big Latch
- Material: 7075-T6 Aluminum Alloy (Handle) and Steel (Latch)
- Finish: Matte Black Hardcoat Anodized
- Compatibility: AR-15, M16, M4
- Design Feature: Patented internal gas deflection channel
- Country of Origin: Made in the USA
What’s Included
- M84 Gas Buster Charging Handle with Big Military Latch – complete assembly
Frequently Asked Questions
Will the Big Military Latch work better than the standard charging handle on my unsuppressed AR?
Yes, you'll see an improvement. The Gas Buster's internal gas channel diverts blowback away from your face even on unsuppressed rifles. The benefit is most noticeable when running a suppressor, but the design improves operator comfort across the board. The larger latch also makes the handle easier to grab and manipulate quickly.
How does the Gas Buster help with suppressed rifles?
Suppressors create backpressure that can push a nasty cloud of powder gas and particles back toward your face. The Gas Buster's patented channel redirects that gas away from you and downward. Most users report getting a whiff of gas instead of having their eyes watering after a mag or two. It's especially effective on short-barrel suppressed builds.
Is the Big Military Latch the right choice for me?
The Big Military Latch is oversized with a straight front edge and rounded corners, making it the easiest to locate and operate under stress. If you want maximum control and don't mind a larger grip surface, this is the way to go. PRI also offers a smaller Flat Latch if you prefer a mil-spec look, or a Combat Latch that's even larger with serrations.
Does this charging handle require any special installation?
No. The Gas Buster comes as a complete assembly ready to drop into your AR-15, M16, or M4. It installs like any standard charging handle and is compatible with all standard upper receivers. No additional parts or tools are needed.





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