SKU: APVG200023A
The VG6 Epsilon 9mm from Aero Precision is a combination muzzle brake, compensator, and flash hider built specifically for pistol caliber carbines. It targets shooters running AR9 and other 9mm platforms who want recoil control and muzzle rise reduction without giving up flash suppression. The three-prong front end handles flash while the porting manages gas, so a competition shooter, a home-defense PCC owner, or anyone running a 9mm carbine gets faster, flatter follow-up shots. At 2.21 inches overall and 2.5 ounces, it adds minimal length and weight to a threaded 9mm barrel.
Aero Precision machines the Epsilon 9mm from 17-4PH heat-treated stainless steel and finishes it in black nitride, a combination that holds up to the heat and pressure cycles of sustained 9mm fire. The porting geometry is tuned for 9mm chamber pressures rather than borrowed from a rifle design, which is why it controls rise and recoil instead of just venting gas. Three extended prongs at the front cut muzzle flash and resist tuning-fork ring. Threads are 1/2x28 RH, the standard pattern for 9mm threaded barrels, and the device ships with a crush washer for indexing and timing on installation. Overall length runs 2.21 inches with a weight of 2.5 ounces per published specifications.
This device fits AR-15-pattern 9mm uppers and other 9mm firearms cut with 1/2x28 threads, making it a straightforward upgrade for a range gun, a competition PCC, or a defensive carbine. Install it with the included crush washer, time it to the top, and you have a single muzzle device doing brake, comp, and flash hider duty. If you are sourcing parts for a 9mm build, browse the matching Aero Precision Epsilon listing we stock for additional ordering options, and pair it with the appropriate barrel and upper for your platform.
It uses a 1/2x28 RH (right-hand) thread pattern, the standard for 9mm threaded barrels. That makes it compatible with AR9 uppers and other 9mm firearms cut for 1/2x28. A crush washer is included for indexing and timing during installation.
It does all three. The ported body works as a muzzle brake and compensator to cut recoil and muzzle rise, while the three extended front prongs suppress flash. The porting is tuned for 9mm pressures rather than adapted from a rifle device.
Aero Precision machines it from 17-4PH heat-treated stainless steel with a black nitride finish. That construction handles the heat and pressure of sustained 9mm fire and resists corrosion at the muzzle, where carbon and gas exposure are constant.
The Epsilon 9mm measures 2.21 inches overall and weighs 2.5 ounces per published specifications. That keeps added length and weight modest on a 9mm carbine, so it works well on lightweight PCC and competition builds.
It fits AR-15-pattern 9mm uppers and any other 9mm firearm with a 1/2x28 threaded barrel. If your barrel uses that thread pattern, the Epsilon 9mm installs with the included crush washer and times to the top.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
