*762B has an elongated thread which fits M1A1 Springfield OEM barrels.

Caliber: .308 / 7.62 mm

Thread: 5/8" x 24

Finish: Black Nitride 

SMI’s Attenu8tor is an advanced, multifunctional design that simultaneously optimizes the performance of eight separate functions. The patented Recoil and Blast Control (RBC) design of the Attenu8tor was developed by applying R&D and Systems Engineering methods derived from the Aerospace Industry.

Part Number: 762B*

Diameter: 0.99" / 24.9 mm

Length: 3.45″ / 87.7 mm

Weight: 4.44 oz / 125.8 gm

Material: 17-4 PH Stainless Steel