Quality products and quick turnaround
Easy online and quick delivery. Excellent inventory of quality Colt parts. Difficult part to find elsewhere was available at Arms Unlimited.
The factory Colt 901 magazine adapter block conversion kit allows you to install any mil-spec AR15/M4 upper receiver and use mil-spec AR15/M4 magazines with your Colt 901 lower receiver. Includes magazine adapter block, buffer and spring.