Original Bob Sled Loading Block AR-15 20-Round Length

To get the most performance and highest ballistic coefficient possible out of the chosen cartridge, long range competitive shooters often handload ammunition with the longest, heaviest VLD (very low drag) projectiles available. The result is often a loaded round of ammunition that is too long to fit the envelope of the AR-15 magazine. The Bob Sled fixes this problem by locking into an AR15 magazine well like a standard magazine, and providing a shallow trough onto which an extra long cartridge c