Compact and easy to transport, the Daniel Defense DDM4 PDW Pistol is the kind of firearm you can rely on for home and personal defense plus its a ton of fun to shoot. The 7" 300BLK cold hammer forged barrel keeps subsonic loads subsonic and provides great ballistics for a shorter barrel. Featuring an overall length of 21", the DDM4 PDW Pistol easily fits into a backpack for convenient transport. The DDM4 PDW Pistol comes equipped with the Maxim Defense CQB Brace. This highly maneuverable modern sporting rifle comes with a 6" MFR XL flat front rail for fast handling, accuracy, and reliability while also providing compatibility with a wide variety of accessories. The DDM4 PDW Pistol features M-LOK attachment points and an SLR M-LOK MOD2 Plain Front Handstop to help ensure a safe shooting experience.