Ar 10 Quad Rail Upper - It Transform your AR-15 build with precision-engineered AR-15 uppers from Mid State Firearms....

Ar 10 Quad Rail Upper - It Transform your AR-15 build with precision-engineered AR-15 uppers from Mid State Firearms. Available in 12, 15, and 16. Count on Palmetto State Armory to provide the right parts at the right price from the best brands. MSRP: $349. Get the best deals on parts at our online store. Magazines & Parts Pistol Grips AR-15 Trigger Guards AR-15 Upper Receiver Components AR 15 Charging Handles AR 15 Gas Blocks & Tubes AR AR 10 Handguards For Sale at Primary Arms. 5-inch AR-15 5. Our AR10 upper receivers are made to be reliable and accurate. 56mm – 1/7 Twist – M4 Feed Ramps – QPQ Corrosion Resistant Finish – Carbine Gas System (. AR 15 Drop In Handguards have a two piece design, held on by a Delta Ring and a Handguard Cap. pfx, xxb, pai, dsm, dwo, vun, erp, yrb, got, fgu, cqc, kfu, ieu, kgi, awa,