Remington Bolt Stop Spring, Left Hand F90554 $19.97 F90554 Remington factory replacement bolt stop spring, LH. In stock Remington Bolt Stop Spring, Left Hand F90554 quantity Add to cart Categories: Remington, Wolff Gun Springs Related products CAR15/M4 5.56/9mm Xtra Power Buffer Spring $24.97 Colt Government 1911 Variable Recoil Spring 20lb. $16.97