Starline 6.8 SPC Brass Cases

Starline 6.8 SPC Brass Cases (Small Rifle Primer) 6.8mm Remington SPC, 6.8 Remington The 6.8 SPC was designed for the military as a cartridge that landed between the 5.56mm NATO and the 7.62mm NATO to be used in the AR-15/M-4 platform. It loses very little magazine capacity versus the 5.56mm (25 vs. 30 rounds), but has better knockdown power without much more recoil.This caliber works very well in short barreled rifles and is an easy conversion for an AR-15, requiring only a barrel, bolt, and ma