Hush Puppy Supervel 9mm 158gr FMJ Subsonic MK144 Mod 0 50rds
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Super Vel Ammunition® manufactured the original 9mm subsonic ammunition used by U.S. Navy SEALs in Vietnam for their Mk 22 Mod 0 pistol, a highly modified S&W Model 39 with a slide locking device and a wipe-style silencer (Mk 3). The ballistics for this load were specified by the Navy as a 158 gr. FMJ at 965 fps, which generates the same recoil impulse as standard 9mm supersonic ball ammunition. The Navy type-classified the ammunition as Mk 144 Mod 0. Super Vel Cartridge Company has reintroduced the Mk 144 Mod 0 ammunition to the same specifications as the original.
Additionally, Super Vel also offers a 9mm subsonic load using a 147 gr. FMJ at 900 fps which generates less of a recoil impulse than the Mk 144 Mod 0, so is softer shooting. It's ideal for practical shooting competition (IPSC and USPSA) with a power factor of approximately 130.
Both the 158 gr. and 147 gr. loads are designated as Hush Puppy® ammunition. Super Vel® manufactures two types of Hush Puppy® subsonic ammunition, a training load using re-manufactured brass cases and a service load using virgin brass cases. Both utilize identical charges, using a low-flash, fast-burning powder that is known for its clean burning characteristics and superb accuracy. Hush Puppy® ammunition has a reputation for "clean burning."
Our classic "yellow box" version features virgin, unfired brass with a headstamp of HUSH PUPPY. The re-manufactured version is from Super Vel's "Certified Select" line of training ammunition, and comes in a "brown box." Re-manufactured training ammunition is about half the price of brass with the HUSH PUPPY headstamp.
Best ammo to test suppressed pistols. Recently used it for GL48, Sig 365 XL and P365. Have had function issues with 365 suppressed with various brands and bullet weights. The Super Vel ran flawlessly with each of the pistols tested by multiple test volunteers. The quality of this ammo justifies the price. Practice counts but my ears prefer the sound of subsonic through cans.