OpticsPlanet Exclusive Moriarti AR-9 Upper Receiver Assembly 9mm Luger 4.5in M-LOK 1-10 Twist Diamond Cut Free-Float Handguard Multiport Muzzle Brake. 5in 9mm Luger Upper Receiver Assembly. These AR15 Upper Receivers through the expert product...
OpticsPlanet Exclusive Moriarti AR-9 Upper Receiver Assembly 9mm Luger 4.5in M-LOK 1-10 Twist Diamond Cut Free-Float Handguard Multiport Muzzle Brake. 5in 9mm Luger Upper Receiver Assembly. These AR15 Upper Receivers through the expert product...