Muzzle Crowns

The muzzle crown is simply the face of the barrel at the muzzle. The geometry of the muzzle crown can range from flat, to donut shaped, or to any a number of recessed shapes. Target crowns are typically stepped or cut in a cone shape. The purpose of the recessed crown is to protect the bore of the barrel at the muzzle from damage.

Bison Armory barrels with unthreaded muzzles feature 11 degree target crowns.

Muzzle Devices

Muzzle devices include flash hiders/suppressors, compensators, brakes, and silencers. The muzzle devices offered with Bison Armory products are shown in the following figure:

From left to right in the back row: Ops brake, Phantom 5C2, Phantom Flash Hider, Troy Claymore, Troy Medieval brake, PWS FSC30, PWS Triad, PWS PRC.

From left to right in the front row: A2, A2 SS, BRT Linear Comp, Vltor VC-301, PRI QC brakes in black tapered and straight, PRI QC brakes in stainless tapered and straight.

Flash Hiders

Flash hiders are used for cosmetic and functional purposes. A flash hider is a device attached to the muzzle of a rifle to protect the muzzle crown and to reduce the visible signature of the burning gases that exit the muzzle. Bison Armory offers the following flash hiders:

 

Yankee Hill Phantom

 

Smith Vortex

 

Vltor VC301

 

PWS Triad

 

Compensators

Compensators are similar to flash hiders except that they are also designed to compensate for the effects of recoil. This is typically accomplished by closing off ports that would be on the underside of the flash hider so that the gases exiting the muzzle are forced upwards and laterally. The change in momentum of the gases has an equal opposite effect that applies a force the muzzle that acts downwards. This effect helps keep the shooter on target and decreases the time for follow up shots. Comps available from Bison Armory are:

 

Armalite A2

 

Yankee Hill 5C1

 

Yankee Hill Phantom 5C2

 

PWS FSC30

 

 

Muzzle Brakes

Muzzle brakes are like compensators except that they are closed at the end. This feature forces some of the gases exiting the muzzle to move laterally. The decrease in forward momentum of the gases results in force acting forward on the barrels, which reduces the recoil perceived by the shooter. Muzzle brakes available from Bison Armory are:

Troy Medieval

 

Troy Claymore Linear Brake

 

PWS PRC

 

 

PRI QC Brakes - Tapered

 

 

PRI QC Brakes - Straight

 

 

 Surefire MB68K

 

Surefire MB68AR

 

 

 

Ops Inc Stainless Brake

 

Ops Inc brake and collar for use with 12th Model silencer