HSM Hunting Shack Rifle Ammunition Features The HSM/Hunting Shack Rifle Ammunition is loaded in .221 Remington Fireball with a 55 grain polymer tipped bullet a combination built for flat shooting performance on small game and varmints. The polymer tip initiates rapid expansion on impact while helping the bullet resist deformation in the magazine or during feeding which keeps terminal performance consistent from the first round to the last. This cartridge is known for its mild report and limited recoil making it a comfortable option for extended range sessions or long days spent calling predators. The 55 grain weight strikes a balance between velocity and bullet stability giving shooters a reliable choice for precision work at varmint hunting distances. Each box contains 20 rounds a practical amount for sighting in a rifle or heading out for a dedicated hunting trip without carrying excess weight. HSM builds its ammunition with attention to consistent powder charges and seating depth qualities that translate into predictable accuracy from shot to shot. The .221 Remington Fireball cartridge itself is prized among varmint shooters for pairing well with short handy bolt action rifles while still delivering impressive velocity for its size. This HSM load is well suited to ranchers predator callers and varmint hunters who want dependable accurate ammunition for their .221 Remington Fireball rifle. HSM/Hunting Shack Rifle Ammunition Specifications Manufacturer: HSM/Hunting Shack Model: Rifle Ammunition Caliber: .221 Remington Fireball Bullet Type: Polymer Tipped Bullet Weight: 55 Grains Rounds Per Box: 20 Available At: GrabAGun