The Q Tall Boy 7.62mm suppressor is a full steel, 10.25-inch can built for one job, maximum sound reduction, especially with subsonic .300 Blackout (brand part no. SIL-TB-QUICKIE-762). Q gave it a longer body and more internal volume than its shorter suppressors, which slows and cools the expanding gas for a lower sound signature and a smoother recoil impulse. It weighs 19 ounces, finishes in black nitride and mounts through the QUICKIE fast-attach system. Where the quietest possible .300 BLK setup is the goal, this is the suppressor Q points to.

Key Specifications

• The caliber is 7.62mm, a .30 caliber rifle suppressor.
• Q rates its performance from subsonic .300 BLK up to .300 Win Mag, with the design optimized for the subsonic load.
• Length is 10.25 inches, the extended internal volume that gives it its suppression.
• Diameter is 1.75 inches.
• Weight is 19 ounces, the cost of full steel construction.
• Construction is premium steel, which Q chose for heat and wear resistance on hard use.
• The finish is black nitride, a hard surface treatment for long wear.
• The mount is QUICKIE fast-attach, using Q’s Cherry Bomb or Rear End interface.
• It is full-auto rated, according to Q.
• There are no barrel restrictions, according to Q.

Frequently Asked Questions

What is the Tall Boy best at? Q built it for maximum suppression, especially subsonic .300 Blackout, using a longer body and more internal volume than its shorter suppressors.

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.

What calibers can it handle? It is a 7.62mm suppressor that Q says keeps its performance from subsonic .300 BLK up to .300 Win Mag.

Buy the Q Tall Boy 7.62mm Suppressor, 10.25-Inch Steel, Quickie

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 Q‘s suppressor lineup and our Lubbock, Texas team will handle the transfer, and it ships fast to your Class 3 dealer.