Rock River Arms has 10% off all parts and accessories this month, plus other specials going on. They have the LAR-15M CAR A4 with Gas Block Sight Base Starting at $930.00 and LAR-15M Mid-Length A4 with Gas Block Sight Base Starting at $960.00, a limited supply of 24" Long Range Rifle LAR-15M .224 Valkyrie rifles and uppers, starting at $1,300.00 and $720.00, respectively, and other stuff too. There's a new XM24 26" Tactical Rifle RBG Series with Interchangeable barrels in 6.5 Creedmoor and .300 Win Magnum, or .308 Win and .338 Lapua Magnum, starting at $5,275.00 for either one. They use a 700 Style Long Action and have 5/8"-24 threaded muzzles. The rifling twist rates vary between 1:8 and 1:10, depending on caliber.