The Daniel Defense DDM4 PDW .300 Blackout pistol (Daniel Defense part no. 02-088-22070-047) is an ultra-compact AR-15 style pistol built around a 7-inch cold hammer forged barrel. A Daniel Defense Linear Compensator directs muzzle blast forward of the shooter, and the Maxim Defense CQB pistol brace lets the length be adjusted for a comfortable hold. A 6-inch MFR XL M-LOK rail and a Magpul PMAG 30 round out the package. It is a home-defense and range pistol that stays small enough to carry and store easily.

Key Specifications

• The chambering is .300 AAC Blackout, a cartridge that keeps subsonic loads subsonic from a short barrel.
• The barrel is 7 inches with a 1:7 twist and the S2W heavy profile, so it handles both subsonic and supersonic loads.
• A Daniel Defense Linear Compensator sits on the muzzle and directs blast forward of the shooter.
• The muzzle is threaded 5/8-24, which allows muzzle device customization.
• The brace is the Maxim Defense CQB pistol brace, which gives the adjustment needed to shoot the pistol comfortably.
• It ships with a Magpul PMAG 30, a 30-round magazine with 30+1 capacity.
• The handguard is a 6-inch MFR XL M-LOK rail, a flat front rail for fast handling and accessory mounting.
• The gas system is pistol length, direct impingement, matched to the short barrel.
• Weight is 5.7 pounds, light for a pistol in this caliber.
• Overall length runs 20 3/4 to 24 3/4 inches with the muzzle device, depending on the brace position.

Frequently Asked Questions

Is this the pistol or the short-barreled rifle version? This is the pistol, which uses the Maxim Defense CQB pistol brace. Daniel Defense also offers a short-barreled rifle version with the Maxim CQB Gen 7 stock.

Does it have a compensator? Yes. A Daniel Defense Linear Compensator directs muzzle blast forward of the shooter, and the muzzle threads are 5/8-24.

What magazine comes with it? It comes with a Magpul PMAG 30 AR 300 B Gen M3 magazine.

Buy the Daniel Defense DDM4 PDW .300 Blackout Pistol, 7-Inch Barrel, Linear Compensator, Maxim CQB Brace, PMAG 30

A pistol this short and this well finished is hard to find in .300 Blackout, and the PDW pairs it with a compensator and an adjustable brace. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see more AR pistols while you are here.