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VG6 Epsilon 556 Muzzle Device

VG6 Epsilon 556 Muzzle Device

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90 Day No-Hassle Returns We Pay Return Shipping

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at support@at3tactical.com and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at support@at3tactical.com. We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you’re dissatisfied with your purchase, in any way, please contact us at support@at3tactical.com – we will do our best to make it right.

Fast & Free Shipping On orders over $50

You will receive fast, free shipping for all orders over $50

Shipping cost is $7.99 for orders under $50. We ship with UPS or USPS, depending on the item.

Most orders received by 1pm CST ship the same day

You will receive an email with tracking information at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses. Orders placed on weekends, holidays, or after 1pm will ship the following business day.

A muzzle brake, compensator and flash supressor hybrid, the VG6 Precision Epsilon 556 is a top performer with a bargain price.

The Epsilon 556 enjoys much of the same design as VG6’s other signature muzzle device, the Gamma 556.

However, the Epsilon 556 has no ports at the 12-oclock position, allowing an uninhibited view through sights and optics.

Six valve holes are also ported in to the underside of the Epsilon as well to aid in flash suppression.

Similar to the Gamma 556, the product is designed based on research yielded from the math-driven science of computational fluid dynamics.

As a result, the product instantly improves recoil, muzzle movement, resulting in better aim and feel while shooting


  • Material: 17-4ph® Heat Treated Stainless Steel
  • Finish: BLACKNITRIDE™ – Satin Finish (Half Gloss)
  • Surface Hardness: 68RC
  • Caliber: 5.56mm/.223 Rem. only
  • Thread: 1/2-28 RH
  • Includes crush washer


  • Made in America: Yes
  • Weight: 2.5 oz
  • Length: 2.21″

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Customer Reviews

Based on 3 reviews
VG6 Epsilon

This muzzle devise is awesome. It performed just the way I thought it would. Great addition to my AR build.

Thanks for sharing your feedback, Jere. We're glad you're satisfied with your purchase. Cheers!
Good Job

Wonderful product, great price and was delivered on schedule!

Thanks for sharing your feedback. We're glad you're satisfied with your purchase. Cheers!
Sheer perfection.

Fit and finish is flawless. Not to mention at3 Customer support is the best in the online gun part business. Fast, easy, and puts the customer first. I will shop AT3 again!

Thanks Evan! We appreciate the feedback, and we're glad you're liking the it!