AR lowers are the lower receiver assemblies or components used as the foundation for compatible AR-platform rifle builds. They house key fire control and magazine-related parts while helping determine fit, function, and overall configuration during builds, repairs, and upgrades. Different AR lower options can affect compatibility, controls, material, and setup style depending on the project. This category includes AR lowers built for proper fit, dependable function, and practical everyday performance.
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MDT Sporting Goods Inc MDT 115004BLK Core Bottom Metal for Tikka T3X
MDT SPORTING GOODS INC186904$169.99Mdt Sporting Goods Inc 115004BLK Core Bottom Metal Tikka T3x The MDT 115004BLK Core Bottom Metal is a versatile upgrade designed for Tikka T3X rifles, enhancing magazine compatibility and reloading efficiency. Crafted from durable aluminum with an... -
BATTLEARMS Xiphos Billet Dedicated 9mm AR Lower Receiver — Glock Magazine Compatible
Battle Arms DevelopmentXIPHOS-LR$289.00The Xiphos Billet Dedicated 9mm AR Lower Receiver is a purpose-built, Glock-magazine compatible lower engineered for reliable, repeatable 9mm builds. CNC machined from aircraft-grade billet aluminum and finished for durability, this lower accepts... -
BATTLEARMS WORKHORSE AR15 FORGED RECEIVER SET
Battle Arms DevelopmentWH556-SET$245.00The WORKHORSE AR15 FORGED RECEIVER SET is a matched upper and lower forged from MIL-SPEC 7075-T6 aluminum for builders, armorers, and professionals who demand rock-solid strength and repeatable accuracy. Precision CNC machining ensures tight tolerances... -
BATTLEARMS WORKHORSE FORGED RECEIVER SET - ODG
Battle Arms DevelopmentWH-SET-ODG$245.00The WORKHORSE Forged Receiver Set – ODG combines rugged reliability with precision machining and a distinctive Olive Drab Green anodized finish. Designed for serious shooters, builders, and professionals, this matched upper and lower set provides... -
Desert Tech QUATTRO-15 LOWER 556NATO 53RD BLK
Desert TechQTR-LR-15$277.86DESERT TECH QUATTRO-15 LOWER 5.56 NATO 53RD BLK – PREMIUM AR-15 PLATFORM COMPONENT The Desert Tech QUATTRO-15 LOWER 5.56 NATO 53RD BLK is a precision-crafted, high-performance lower receiver designed for AR-15 builds. Built by Desert Tech, this... -
Aero Precision M4E1 PRO Stripped Lower Receiver – 5.56/.223 (Black)
Aero PrecisionAPAR600030AC$269.99The Aero Precision M4E1 PRO Stripped Lower Receiver is engineered for builders who demand superior strength, precision machining, and streamlined assembly. Featuring Aero’s enhanced M4E1 PRO forging, integrated trigger guard, flared magwell, and... -
SCALPER Stripped Lower Receiver Cerakote Finish ODG
Sons of LibertySCALPER-ODG$190.00SOLGW M4 Milspec Stripped Lower. Collaboration with Rogue American Apparel featuring the Scalper logo and selector markings. Forged from 7075-T6 Aluminum. Olive Drab Green Cerakote Finish. M16 pocket cutout. Fully machined to remove flash markings from...
