The SOF 762K HUB is a compact centerfire rifle suppressor for .300 Blackout and 7.62x51mm platforms. It is 3D printed in Inconel 718, measures 5 inches long with a 1.53-inch diameter and weighs 12.3 ounces. SOF lists a minimum barrel length of 5.5 inches and a maximum projectile velocity of 2,650 FPS, and the can is full-auto rated. The standard HUB 1.375×24 interface accepts compatible HUB-pattern mounts. It suits a short, handy rifle that needs a small centerfire suppressor.

Key Specifications

• The calibers are .300 BLK and 7.62x51mm, so one can covers both cartridges.
• Overall length is 5 inches, compact for a centerfire rifle suppressor.
• The material is Inconel 718, 3D printed with metallurgical additive manufacturing.
• The mount is a HUB 1.375×24 interface, compatible with HUB-pattern mounting systems.
• It is full-auto rated with a 5.5-inch minimum barrel length and a listed maximum velocity of 2,650 FPS.

Frequently Asked Questions

Can the 762K run both .300 Blackout and 7.62x51mm? Yes. SOF lists the caliber as .300 BLK and 7.62x51mm, with a 5.5-inch minimum barrel length and a 2,650 FPS maximum velocity.

Do I need ATF approval to buy this? No. As of October 9, 2026, ATF no longer requires Form 4 approval, registration or a tax stamp for suppressors. It transfers on a Form 4473 with a background check through a Class 3 (SOT) dealer. State and local laws still apply.

Buy the SOF 762K HUB Suppressor, .300 BLK and 7.62x51mm, HUB 1.375×24

As of October 9, 2026, this suppressor transfers on a Form 4473 with a background check at your Class 3 (SOT) dealer, with no Form 4 or tax stamp; state and local laws still apply. Order through SOF’s suppressors lineup and our Lubbock, Texas team will handle the transfer and it ships fast to your Class 3 dealer. The 762K HUB is the compact choice for a short rifle that shoots .300 Blackout or 7.62x51mm.