Lower Parts Kits
ModernMarksman.com is your headquarters for lower parts kits and thousands of other AR parts. We stock everything you need to build or customize your new or old favorite AR-15 or AR-10. We stock all the top brands of lower parts kits from CMMG, Doublestar, Bushmaster, Spikes Tactical, and more. We have hundreds of AR parts, AR-15 stocks & AR-15 grips to choose from in all different colors, shapes, and sizes.
Lower parts kits orders receive Free Shipping with purchase of $99.95 or more. Spend $199.95 and get upgraded to UPS 2-day air for free! Same Day Shipping on orders placed before 5:00 P.M. EST (2:00 P.M. PST) Earn Rewards Points with every order. All orders delivered outside Wyoming are TAX FREE!