1/2" x 28 Thread for 22LR/.223/5.56
5/8"x24 TPI For .308/.338/.300BLK/7.62/350Legend
1/2"x28 TPI For 9mm
Six Ports Direct Muzzle Blast & Unburned Powder Downrange And Away From The Shooter. Made From Aluminum, It Is Lightweight And Does Not Weigh Down The Front Of The Barrel.
Color: Anodized SILVER
Material: 7075 T6 Aluminum
Length: 3"
Outer Diameter: 0.95"
Weight:1.6 OZ
Crush Washer Included