Daniel Defense 02-128-19153: Daniel Defense DDM4V7P (300 Blackout) This highly maneuverable pistol pairs a 10.3\" barrel and the MFR 9.0 rail for fast handling accuracy and reliability while also providing compatibility with a wide variety of muzzle devices and sound suppressors for even more customization. A variation of the DDM4V7 S it features the SB Tactical SOB Pistol Stabilizing Brace and is classified as a pistol not a short-barreled rifle so it does not require ATF approval and a tax stamp. The Daniel Defense DDM4V7 P features M-LOK attachment technology and comes equipped with a rugged and comfortable Daniel Defense pistol grip with integral trigger guard and soft touch overmolding.