ALCO AIR BOSS 50 Caliber (.510) Air Gun Pellets Big Bore Air Rifle 275 Grain, Swaged Lead, FB, HP, 50 Count


Part Number:
Packaged: 50 Count Per Box
Bullet: AIR GUN 50 caliber (.510) Flat Base Hollow Point 275 GRAIN
Manufactured: Hand Swaged in the USA by ALCO Bullets


Product Description

The Alco Air Boss hand swaged precision big bore 50 Caliber (.510) air gun pellets are engineered for air gun use in the field for North American big game hunting. These big bore 275-grain 50 caliber air gun pellets are a swaged soft 100% lead with a hollow point designed to provide maximum expansion and stopping power when hunting. Built and designed initially for the new Umarex Hammer 50 Caliber Air Gun, this great air gun ammo is also used in the 50 Caliber AirForce Texan and other big-bore pre-charged pneumatics (PCP) air gun rifles too. The 50 caliber air gun rifle ammo is designed to humanely take down large game by creating maximum expansion and hydrostatic shock. They have been extensively tested for accuracy and are ready to go for your 50 Caliber air gun rifle success. Every pellet is sized and hand-checked during production for quality at each stage of the build.

Alco Bullets produces a 100% lead swaged pellet with a hollow point to exactly fit a .510 diameter PCP big bore air gun. This smooth sided bullet provides lower friction and a good air seal for rifling engagement. This is far superior to a cast bullet which can have an inconsistent bore diameter.  The precision diameter control and consistent weights allow for far greater accuracy provided the shooter matches the diameter to his gun and can experiment with weight instead of assuming whatever is mass produced hits peak accuracy in every gun.

The Alco air gun pellets are further encased securely in 50 count protective shipping boxes and double packaged to arrive at your destination in the same condition as they leave our shop for you to have a clean shot. We will have other calibers and grain weights ready soon – give us a call to let us know your needs. Thank you.


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