This kit includes the most popular caliber on the market, so you can use zero different rifles, pistols, shotguns and muzzle loaders. The pursuit of the sight is designed to save you time and money by allowing you to pre-tune the oscilloscope. The final step in zero should be completed within that range.<p> New: New, unused, unopened, undamaged items in its original packaging (for packaging). The packaging should be the same as in the retail store unless the item is handmade or packaged by the manufacturer in a non-retail package, such as an unprinted box or plastic bag. For more information, please refer to the seller list.<p> Warning: the gun is not loaded, the action is open, the muzzle points to the safe direction. Always use a safe gun handler.<p> caveat<p> If the internal thread is not easily inserted, remove and verify that the correct threaded aperture is used.<p> Note: Eye and ear protection devices are strongly recommended. You must always use the Secure Cannery Handler.<p> Manufacturer:XAegis Optics<p> Height: 2.50 inches<p> Length: 11.50 inches<p> Width: 8.25 inches<p> Weight: 2.92 pounds<p> <b>Package Content:</b><p> Comes with Arbors for .177, .22, 6mm, .25, 6.5mm, .27, 7mm, .30, .32, .338, .35, .375, .44, .45, .50. All All packaged in a heavy duty hard plastic case.<p> Manual