PMC X-TAC RIFLE AMMO5.56 NATO FMJBT LAP 62 GR. 20 RD The X-Tac PMC 5.56mm ammo features a green tip 62 Grain steel core penetrating bullet. This full metal jacket ammo is made with a non-corrosive boxer primer and brand new never fired brass casing. All components are quality controlled in house by PMC to assure you receive a better product with consistently reliable parts. Like all PMC ammo, this X-Tac ammo can be reloaded up to 5 times for those high volume shooters that love to reload their 5.56mm NATO ammunition. X-Tac Green Tip ammo is the perfect choice for target shooting and practice or for personal protection. PMC X-Tac 5.56mm NATO 62 Grain Green Tip Ammo offers an impressive muzzle velocity of 3100 feet per second and muzzle energy of 1323 ft lbs.