Swan Machine is a major manufacturer in high quality gun components that support the market. Our company specializes in : AR-15 & AR-10 components: BCG's bolt kits bolts carriers cam pins firing pins gas keys barrel extensions Currently supporting the following calibers in several finishes: Left and Right Hand .223/5.56 7.62x39 6.8 SPC 450 Bushmaster 458 Socom 9mm .308/7.62x51 6.5 Creedmoor We would love to see you visit us at the booth and discuss your manufacturing needs. For more information please contact Swan Machine: www.swanmachine.com Rachel@swanmachine.com 218.347.7141 (less)