Remington Versa Max Gas Cylinder Plug O Ring $7.50 Replacement Remington F400437 – Versa Max Gas Cylinder Plug O-Ring In stock Remington Versa Max Gas Cylinder Plug O Ring quantity Add to cart Categories: Remington, Wolff Gun Springs Related products AR15/M-16 5.56/.223 Std Power Buffer Spring $24.97 Colt Government Conventional Recoil Spring 12lb. $16.97