Gas Blocks

Gas Blocks

Gas Block

ModernMarksman.com is your headquarters for gas blocks for AR-15 and AR-10s. We carry everything you need to build or customize your new or old favorite AR-15 or AR-10. We carry all the top brands of gas blocks from VLTOR, Battle Arms Development, Troy,  CMMG, and Geissele. We have hundreds of AR parts, AR stocks & AR grips to choose from in all different colors, shapes, and sizes.

Gas blocks and AR parts 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!

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