RA-Tech Steel Bolt & Recoil Buffer Kits
OptimusPrime
02 Jul 2011
New products from RA-Tech presented via video uploaded at YouTube. They have a steel bolt for the KSC M4 and WE L85 Gas Blowback Rifles and recoil buffer kit version 3 for M16, M5. They also show a comparison between their upgrade parts and the original ones,l plus power when installed so watch the video below: