Material: Stainless Steel
This is a Combo set for 9mm 1/2x28 build
Item #1: 5/8"x24 Muzzle brake with Outer Sleeve
Item #2: 1/2x28 to 5/8x24 muzzle thread adapter
Crush washer included
Item#2 Specs
Internal Thread : 1/2x28 Female
External Thread: 5/8x24 Male
Convert 1/2x28 to 5/8x24
This is a Combo set for 9mm 1/2x28 build
Item #1: 5/8"x24 Muzzle brake with Outer Sleeve
Item #2: 1/2x28 to 5/8x24 muzzle thread adapter
Crush washer included
Item#2 Specs
Internal Thread : 1/2x28 Female
External Thread: 5/8x24 Male
Convert 1/2x28 to 5/8x24