AR15 Parts Kits Items
AR15 Parts Kits: Lower Parts Kits, Springs, Pins, Detents & Upper Parts!
Build, tune, or restock the bench with our selection of AR15 Parts Kits for experienced shooters, armorers, and gunsmiths who want the right small parts on hand before a lower or upper project starts. We carry lower parts kits, spring kits, upper receiver parts kits, takedown pin sets, bolt rehab kits, and armorer’s small-parts assortments from AERO PRECISION, CMMG, & COLT, with options ranging from mil-spec replacements to enhanced controls and premium trigger-ready kits.
Compare kits by fire-control inclusion, selector style, grip hardware, pivot and takedown pins, buffer retainer parts, bolt catch parts, detents, springs, and receiver compatibility so your build bench stays organized and your rifle stays serviceable.
Our feedback includes 4.4 Ratings out of 389 Reviews from verified buyers and a Forever Guarantee®, which help you choose the best AR15 lower parts kits with confidence.
