Explore AR15 parts designed for builds, repairs, upgrades, and custom rifle setups across a wide range of compatible platforms. Whether you need upper parts, lower parts, barrels, handguards, triggers, controls, or other essential components, this category includes options built for proper fit, reliable function, and dependable performance.
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Aero Precision M4E1 PRO Complete Lower Receiver 556/223 ODG
Aero PrecisionAPAR600195$479.99M4E1 PRO Complete Lower Receiver w/ MOE Grip & SL Carbine Stock – OD Green Anodized SKU: APAR600195Finish: OD Green AnodizedPlatform / Series: M4E1 / M4E1Receiver Extension: CarbineShipping: FFL Dealer RequiredMade in America: Yes The M4E1 PRO... -
Aero Precision M4E1 PRO Complete Lower Receiver 556/223 Black
Aero PrecisionAPAR600194$479.99The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. Aero Precision, M4E1... -
Spike's Tactical STLS019 Spider Stripped Lower 556/223 Black
Spike's TacticalSTLS019-CFA$120.60Spike's Tactical stripped lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day you can't go wrong with Spike's lower receivers. Spike's Tactical, STLS019 Spider, Stripped Lower,... -
Aero Precision M4E1 PRO Stripped Lower Receiver 5.56/.223 – Kodiak Brown
Aero PrecisionAPAR600032AC$316.00Build a modern AR-15 from the ground up with the Aero Precision M4E1 PRO Stripped Lower Receiver in Kodiak Brown. This premium ambidextrous lower takes the proven M4E1 footprint and upgrades it with mirrored controls, enhanced ergonomics, and a rugged... -
Aero Precision M4E1 PRO Stripped Lower Receiver – 5.56/.223 (OD Green)
Aero PrecisionAPAR600031AC$316.00The Aero Precision M4E1 PRO Stripped Lower Receiver in OD Green delivers enhanced strength, improved ergonomics, and Aero’s signature PRO forging profile for superior durability. Featuring an integrated trigger guard, flared magwell, and threaded... -
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... -
Doublestar Stripped Lower STAR-15 556/223
DoublestarDSCL101$94.99Doublestar Corp. makes high quality firearm components for the AR Platform. This stripped lower is the perfect base for your next custom AR build. Doublestar Corp., Stripped Lower, STAR-15, Semi-automatic, 223 Remington/5.56 NATO, Anodized Finish,... -
Sons of Liberty Gun Works SCALPER Complete Lower Receiver Black
Sons of LibertySCALPERLWR-A5Q$570.00SOLGW M4 Milspec Complete Lower. Collaboration with Rogue American Apparel featuring the Scalper logo and selector markings. Forged from 7075-T6 Aluminum. M16 pocket cutout. Fully machined to remove flash markings from forging. Sons of Liberty Gun...
