B&P Ammunition Mach Features The B&P Ammunition Mach shell integrates the Gordon Case System a specially designed wad and base construction that reduces developed pressure while limiting the effects of recoil. The conical shape of the Gordon base wad optimizes powder combustion translating to more consistent velocities and patterns shot after shot. Loaded with B&P s proprietary F2 powder this shell has a competition history that includes five Olympic gold medals and numerous World Cup and championship titles across international competition. The 1 ounce payload of #7.5 shot delivers a dense pattern suited to fast-moving clay targets at typical trap and skeet ranges. Because the Gordon Case System softens felt recoil shooters can run more rounds through a competition day without fatigue affecting their form late in a shoot. The 2.75 inch low-brass hull keeps the shell compatible with a wide range of 12 gauge shotguns used in competitive disciplines. B&P s reputation in competitive shotgun sports comes from decades of engineering shells specifically for trap skeet and sporting clays rather than adapting hunting loads to the task. For serious clay target competitors who want a shell with a proven championship pedigree the Mach delivers consistent soft-shooting performance. B&P Mach Specifications Brand: B&P Ammunition Model: Mach Gauge: 12 GA Shell Length: 2.75 Shot Size: #7.5 Shot Weight: 1 oz Shot Material: Lead Muzzle Velocity: 1300 fps Primer: 209 Rounds Per Box: 25 Available At: GrabAGun