Whether you call it a 6.5 AR, 6.5 PPC improved or 6.5 Grenade, it's still just a
7.62x39 case blown out and necked down to use excellent 6.5mm bullets.
6.5 magazines, ammo and reloading supplies are available from Midway.
This is a premium caliber so add $50 to the normal barrel prices.
Load data is available on the here.
The 6.5 uses a 7.62x39 sized bolt head.