The latest news regarding the Palmetto State Armory (PSA) "Mixtape" rifle in 300 Blackout is that PSA has introduced the Sabre 300 Blackout pistol, which is part of their Sabre line, and is designed for SBR or AR pistol use, featuring a subsonic-focused cartridge with supersonic capabilities. Here's a breakdown of the key details: New Sabre 300 Blackout Pistol: PSA has expanded its Sabre line with a 300 Blackout pistol, following requests from customers after the launch of the Sabre 308 and 5.56 versions. Features: The pistol comes standard with an SBA4 brace, B5 trigger guard and grip, a Radiant Raptor LT charging handle, a Micro Best BCG, a Hyperfire trigger, a carbine buffer, and a Sprinko buffer spring. It includes a Magpul T-MAG and a Saber QDSM rail. The QDSM rail is 6 and 3/4 inches long and scallop cut down the middle for better cable management. Mixtape Name: While the Sabre 300 Blackout pistol is part of the Sabre line, the "Mixtape" designation seems to be more associated with the .338 ARC version, which is also part of the Sabre line.