The Energetic Armament SOB muzzle device (brand part no. EA31) is a 5.56mm muzzle device that mounts to a 1/2×28 threaded muzzle through the direct thread adapter packed with it. The kit pairs that 1/2-28 adapter with a 5.56mm end cap, so the pieces needed to mount it are in the box. It measures 3.47 inches long by 1.5 inches in diameter and weighs 5.76 ounces. Energetic Armament builds it for shooters who run a 1/2×28 threaded 5.56mm barrel and want a complete, ready-to-mount package.

Key Specifications

• The mounting thread is 1/2×28, the common pitch on 5.56mm barrels, supplied through the included direct thread adapter.
• The end cap is a 5.56mm cap, which sets the aperture for rounds in that bore size.
• Overall length is 3.47 inches, so you can judge how much length it adds to the barrel before you order.
• Diameter is 1.5 inches, which matters when you check clearance around a handguard or gas block.
• Weight is 5.76 ounces, which sets how much mass it adds to the front of the rifle.
• The kit includes a direct thread adapter and a 5.56mm end cap, so no additional parts are needed to mount it.

Frequently Asked Questions

What thread does the SOB muzzle device use? It mounts to a 1/2×28 thread through the 1/2-28 direct thread adapter included in the kit.

What comes in the package? One direct thread adapter and one 5.56mm end cap are included with the muzzle device.

How big is it? It is 3.47 inches long and 1.5 inches in diameter, and it weighs 5.76 ounces.

Buy the Energetic Armament SOB Muzzle Device, 5.56mm, 1/2×28

A muzzle device that ships with its own adapter and end cap saves you from sorting out compatible parts. Check the length, diameter and weight against your build, then see more rifle accessories and parts. Order it from our Lubbock, Texas gun shop for fast, insured shipping.