Colt 1911 Magazine base bumpers, 5 with screws. $15.00 Polymer magazine base bumpers for single stack 1911 magazines. Set of 5, supplied with 10 stainless steel tapping screws (magazine base must have pilot holes drilled for screws to thread). Manufactured in the USA by Lone Star. In stock Colt 1911 Magazine base bumpers, 5 with screws. quantity Add to cart Category: Colt 1911 Related products MecGar 10rd .45acp 1911 magazine, Stainless $55.00 Metalform 8rd Stainless Steel .40S&W 1911 $55.00