© 2018 by Springer Custom Works . All Rights Reserved.

  • Facebook Social Icon
  • Instagram Social Icon
  • YouTube Social  Icon

In standard 45° trigger sear pushing piston up and this cause friction in cylinder and stiff bolt return

In these points is 45° piston in contact with the cylinder and scratching inner walls

In 90° system there is no upper tension.

No cocking troubles, no scratching.