Radical Defense LS5, 5.56 NATO, 7.5″ Length, 1.78″ Diameter, Black

The Radical Firearms LS-5 is a full-size 5.56 NATO suppressor — Radical’s Lightweight Suppressor series in the .556 caliber configuration. The LS designation indicates this is the full-size variant (as opposed to the CS Compact Suppressor series), providing maximum volume for sound reduction. 5.56 NATO is one of the most popular suppressed calibers in the civilian market — affordable ammunition, widely available hosts, and an excellent noise reduction profile make suppressed 5.56 shooting one of the most accessible NFA experiences available.

At $899 with a flash hider included, the Radical LS-5 is positioned as a legitimate entry into quality 5.56 suppression at a price point that makes the total NFA investment (suppressor + Form 4 + $0 OBBBA stamp) substantially under $1,000. Radical Firearms builds in Houston, Texas, and the LS-5 reflects their philosophy: a quality, American-made suppressor at a price that doesn’t require a premium-rifle budget.

Radical LS-5 5.56 Specifications

Why Buy From Western Sport?

Western Sport is a licensed FFL/SOT dealer in Roanoke, Texas, specializing in NFA suppressors and SBRs since 2007. We are an authorized Radical Firearms dealer and handle all Form 4 transfers in-house. Call 817-393-4000 — our team knows the full Radical suppressor lineup and can help match you to the right caliber and mount configuration.

FAQ — Radical LS-5 5.56

How does the LS-5 compare to the CS-5TI in Radical’s lineup?

The LS-5 is the full-size Lightweight Suppressor and the CS-5TI is the Compact Suppressor in titanium. Full-size typically provides better sound reduction due to larger internal volume; the compact titanium version trades some reduction for shorter overall length and lighter weight. For a dedicated home/range suppressor, the full-size LS-5 usually produces better numbers. For a suppressor that will live on a shorter-barrel gun and be carried regularly, the CS-5TI may be preferable.

Recent eForm 4 approvals have been coming back in about two weeks or less — see our NFA wait times guide for current figures.