Freedom Munitions HUSH Subsonic 10mm 200 Grain RNFP Brass Pistol Ammo 50 Rounds. This ammunition is new production non-corrosive in reloadable brass cases. Specifications for Freedom Munitions HUSH Subsonic 10mm 200 Grain RNFP Brass Pistol Ammunition: Manufacturer: Freedom Munitions Caliber: 10mm Auto Number of Rounds: 50 Bullet Type: Round Nose Flat Point (RNFP) Bullet Weight: 200 grain Cartridge Case Material: Brass Application: General Package Contents: Freedom Munitions HUSH Subsonic 10mm 200 Grain RNFP Brass Pistol Ammunition Freedom Munitions FMH10RF200N50: HUSH Subsonic 10mm 200 Grain RNFP Brass Pistol Ammo 50 Rounds