The Radical Defense MK1 Mod 1.5 PDW (brand part no. MK1MOD1.5PDW556) is a 5.56 NATO short-barrel rifle built as a personal defense weapon with a compact 6.5-inch barrel. Radical Defense equips the MK1 Mod 1.5 PDW with iron sights for a ready-to-run package. The PDW favors shooters who want an ultra-compact 5.56 platform for close-quarters use.

Key Specifications

• Chambered in .223 Rem/5.56 NATO.
• Wears a 6.5-inch barrel.
• Feeds from a 30-round magazine.
• Equipped with iron sights.

Frequently Asked Questions

Is this an NFA item? Yes. As a SBR, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What caliber does it fire? .223 Rem/5.56 NATO.

How long is the barrel? 6.5 inches.

Buy the Radical Defense MK1 Mod 1.5 PDW SBR

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Radical Defense‘s short barrel rifles lineup and our Lubbock, Texas team will walk you through the transfer process.