What's in the Box Daniel Defense DDM4 PDW 300 Blackout Pistol (1) 30 Round Magazine Daniel Defense Full-Latch Impact Plastic Case Cable Lock Owner's Manual Compact and easy to transport, the Daniel Defense DDM4 PDW is the kind of pistol you can rely on for home and personal defense plus it s 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 20.75", the DDM4 PDW easily fits into a backpack for convenient transport. This highly maneuverable pistol 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 features M-LOK attachment points and an SLR M-LOK MOD2 Plain Front Handstop to help ensure a safe shooting experience. Firearm Specifications Manufacturer: Daniel Defense Model: DDM4 PDW Caliber: 300 Blackout Gas System: Pistol Length, Direct Impingement Barrel Length: 7" Barrel Profile: S2W [Strength-to-Weight] Muzzle Thread: 5/8x28 TPI (Threads Per Inch) Muzzle Device: Daniel Defense Linear Compensator Total Length: 20 3/4" - 24 3/4" Product Weight: 5.7 lbs Charging Handle: GRIP-N-RIP Charging Handle Mounting System: M-Lok Buffer: Maxim Defense Enhanced Buffer System Magazine: Magpul PMAG 30 AR 300 B GEN M3 (30-Round) Case: Daniel Defense Full-Latch Impact Plastic Case Made in the USA!