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.
Products List
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MDT Sporting Goods Inc MDT 115006BLK Hunting Bottom Metal for Tikka T3X LA
MDT SPORTING GOODS INC990482727123$299.99MDT 115006BLK HUNTING BOTTOM METAL TIKKA T3X LA The MDT 115006BLK Hunting Bottom Metal is designed specifically for the Tikka T3X LA rifle platform, providing a durable and reliable upgrade for hunters seeking enhanced performance. Made from high-quality... -
Timber Creek Outdoor Inc AR Lower Parts Kit Model AR Ambidextrous Aluminum
TIMBER CREEK OUTDOOR INC816397027243$79.99Timber Creek Outdoors ARLPKOD AR Lower Parts Kit OD Green Aluminum The Timber Creek Outdoor Inc AR Lower Parts Kit (Model ARLPKOD) provides a comprehensive set of components essential for building or upgrading your AR-style rifle. Crafted from... -
Seekins Precision Gas Block 0.875 Inch Diameter
Seekins Precision192394$66.99SEEKINS 11510087F .875 DIA GAS BLOCK The Seekins Precision Gas Block model 11510087F is designed for reliable performance in AR-style rifles. Featuring a diameter of 0.875 inches, this gas block is crafted for precision and durability. Its robust... -
MDT Sporting Goods Inc 110134BLK Core Bottom Metal for Ruger American
MDT SPORTING GOODS INC184965$149.99Mdt Sporting Goods Inc 110134BLK Core Bottom Metal Fits Ruger American Black The MDT Sporting Goods Inc 110134BLK Core Bottom Metal is designed to provide a durable and reliable foundation for Ruger American rifles. Crafted from high-quality aluminum and... -
MDT Sporting Goods Inc 110147BLK Core Bottom Metal for Howa 1500 Black Aluminum Anodized
MDT SPORTING GOODS INC184966$149.99Mdt Sporting Goods Inc 110147BLK Core Bottom Metal Fits Howa 1500 Black The MDT Sporting Goods Inc 110147BLK Core Bottom Metal is designed specifically for Howa 1500 rifles, offering a durable and lightweight aluminum construction. Its anodized finish... -
MDT Sporting Goods Inc 114039BLK Core Bottom Metal for Savage 110 Black Aluminum
MDT SPORTING GOODS INC184967$149.99Mdt Sporting Goods Inc 114039BLK Core Bottom Metal Fits Savage 110 Black The MDT 114039BLK Core Bottom Metal is designed specifically for the Savage 110 rifle, providing a durable and reliable component for your firearm. Crafted from high-quality... -
MDT Sporting Goods Inc MDT 110108BLK Hunting Bottom Metal for Tikka T3X
MDT SPORTING GOODS INC185433$299.99Mdt Sporting Goods Inc 110108BLK Hunting Bottom Metal for Tikka T3x The MDT 110108BLK Hunting Bottom Metal for Tikka T3X is crafted with precision machining using durable aluminum material, providing reliable performance in both field and range... -
MDT Sporting Goods Inc 110110BLK Hunting Bottom Metal for Savage SA with Anodized Aluminum Finish
MDT SPORTING GOODS INC185434$299.99Mdt Sporting Goods Inc 110110BLK Hunting Bottom Metal for Savage 110 The MDT 110110BLK Hunting Bottom Metal is crafted with precision machining from durable anodized aluminum, ensuring reliable performance in the field and at the range. Its robust... -
White Label Armory WLA-LOW-1013-01 AR-15 Complete Lower Parts Kit with Phosphate Finish
White Label Armory186246$98.99White Label Armory WLA-LOW-1013-01 Complete Lower Parts Kit For AR-15 Black The White Label Armory WLA-LOW-1013-01 is a complete lower parts kit designed for AR-15 rifles, offering all essential components for assembling or repairing your firearm’s lower... -
White Label Armory WLA-LOW-1014-01 Lower Parts Kit for AR Platform with Curved Trigger
White Label Armory186247$84.99White Label Armory WLA-LOW-1014-01 Lower Parts Kit For AR Platform Curved Trigger Black The White Label Armory WLA-LOW-1014-01 lower parts kit is designed for AR-style rifles, providing essential components for firearm assembly and maintenance. Crafted... -
White Label Armory WLA-LOW-1016-01 AR-15 Lower Parts Kit Assembly with Phosphate Finish
White Label Armory186249$44.99White Label Armory WLA-LOW-1016-01 Assembler's Special Lower Parts Kit AR-15 Black The White Label Armory WLA-LOW-1016-01 is a complete AR-15 lower parts kit designed for builders and enthusiasts. It provides all essential components needed for... -
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... -
Timber Creek Outdoor Inc AR Lower Parts Kit FDE
TIMBER CREEK OUTDOOR INC187000$79.99Timber Creek Outdoors ARLPKFDE AR Lower Parts Kit Flat Dark Earth Aluminum The Timber Creek Outdoor Inc AR Lower Parts Kit FDE provides essential components for building or upgrading your AR rifle. Crafted from aircraft-grade billet aluminum, this kit... -
Timber Creek Outdoor Inc AR Lower Parts Kit Model AR with Ambidextrous Safety and CNC Machined Aluminum
TIMBER CREEK OUTDOOR INC187002$79.99Timber Creek Outdoors ARLPKT AR Lower Parts Kit Tungsten Aluminum The Timber Creek Outdoor Inc AR Lower Parts Kit is an essential component for building or upgrading an AR-style rifle. Crafted from aircraft-grade billet aluminum, this kit ensures... -
DPMS Panther Arms AR10 Lower Build Kit
DPMS PANTHER ARMS190491$139.99DPMS AR-10 Classic Lower Build Kit The DPMS AR-10 Classic Lower Build Kit is designed to give builders the key components needed to complete a DPMS-pattern AR-10 stripped lower receiver. Built for reliable fit and dependable function, this kit combines... -
BATTLEARMS WORKHORSE BLEMISH — Forged Lower Receiver
Battle Arms DevelopmentBLEM-WH556LR$125.00The WORKHORSE Forged Lower Receiver — BLEMISH edition — delivers the strength and reliability of a forged lower at a discounted price due to minor cosmetic imperfections. Forged from high-strength aluminum and finished for durability, this... -
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 Heavy-duty AR15/M4 Forged Upper Receiver
Battle Arms DevelopmentWH556-UR$120.00Heavy-duty forged AR15/M4 upper receiver — precision machined for reliable alignment, rugged service use, and full Mil-Spec compatibility. Key Features Forged from 7075-T6 aircraft-grade aluminum for proven strength and durability Precision... -
BATTLEARMS WORKHORSE FORGED LOWER RECEIVER ANODIZED OD GREEN — AR15 / M16 / M4
Battle Arms DevelopmentWH556-LR-ODG$125.00Durable forged 7075-T6 lower receiver with MIL-A-8625F Type III OD Green anodize — built for heavy use, precise fit, and Mil-Spec compatibility. Key Features Forged from 7075-T6 aircraft-grade aluminum for proven strength and... -
BATTLEARMS WORKHORSE Forged Mil-Spec AR Lower Receiver
Battle Arms DevelopmentWH556-LR$125.00Heavy-duty forged lower receiver — built for longevity, reliability, and Mil-Spec compatibility. Perfect for duty, range, and competition builds. Key Features Forged from 7075-T6 aircraft-grade aluminum for superior strength Mil-Spec... -
BATTLEARMS AUTHORITY ELITE AR-15 Ambidextrous Lightweight Billet Lower Receiver
Battle Arms DevelopmentAUTH-LR$359.95AUTHORITY ELITE AR-15 Ambidextrous Lightweight Billet Lower Receiver Precision CNC billet 7075-T6 aluminum construction — ambidextrous controls, lightweight design, and built for full MIL-SPEC compatibility. Perfect for custom builds and... -
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... -
BATTLEARMS WORKHORSE Complete Rifle Lower — with B5 Bravo Stock
Battle Arms DevelopmentWH-LR-R-B5$399.99Fully assembled and ready for your rifle upper, the WORKHORSE® Complete Rifle Lower ships with a B5 Bravo adjustable stock and enhanced controls for fast, reliable operation. Product: WORKHORSE® Complete Rifle Lower — with B5 Bravo... -
BATTLEARMS AUTHORITY ELITE AMBI SET — Ambidextrous Billet Lower Receiver
Battle Arms DevelopmentAUTHELITE-SET$599.00Authority Ambidextrous Lightweight Billet Lower Receiver — 7075-T6 aircraft-grade aluminum Specifications Precision CNC from billet 7075-T6 aerospace aluminum Patent-pending lightweight design MIL-A-8625F, Type III, Class 2 hard-anodized black... -
GUNFIGHTER Complete Lower Receiver Group – SPMD, Black | Mil-Spec AR15/M4 Platform
BCMLRG-STK-MOD-0-SPMD-BLK$525.00GUNFIGHTER COMPLETE LOWER RECEIVER GROUP – SPMD, BLACK | MIL-SPEC AR15/M4 PLATFORM The GUNFIGHTER Complete Lower Receiver Group – SPMD, Black is a high-quality, fully assembled lower receiver designed for AR15/M4 platforms. Crafted to... -
AERO Precision M5 AR-10 Complete Lower Receiver with MOE Grip – Black | .308 / 7.62 NATO
Aero PrecisionAPAR308255$464.99WATCHTOWER 15 BILLET COMPLETE LOWER RECEIVER – FDE | AR-15 MIL-SPEC READY PLATFORM The WATCHTOWER 15 Billet Complete Lower Receiver – FDE is a high-performance, precision-machined lower receiver designed for the AR-15 platform... -
AERO AR15 STRIPPED LOWER GEN 2 FDE
Aero PrecisionAPAR501302C$139.99AERO AR15 STRIPPED LOWER GEN 2 FDE – PREMIUM AR-15 PLATFORM FOUNDATION The AERO AR15 STRIPPED LOWER GEN 2 FDE is a high-quality, precision-machined lower receiver designed for AR-15 builds. Manufactured by Aero Precision, a trusted name in the... -
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 AR9 COMPLETE LOWER 9/40 BLK
Aero PrecisionAPAR620550$359.99AERO AR9 COMPLETE LOWER 9/40 BLK – PREMIUM LOWER RECEIVER FOR 9MM & 40 S&W AR BUILD The AERO AR9 COMPLETE LOWER 9/40 BLK is a high-quality, fully assembled lower receiver designed for 9mm and .40 S&W AR-9 builds. Manufactured by Aero... -
SPIKE'S STRIPPED LOWER 9MM GLK PTNMG
Spike's TacticalSTLS920$161.10Spike's Tactical, STLS920 9mm Glock Style Lower w/Spider Logo, Semi-automatic, Black Finish, Bolt Locks Back After Last Round 9mm Hard Coat Anodized Finish Lower Receiver Product Description Spike's lowers are made to the highest standards... -
SPIKE'S STRIPPED LOWER (NO LOGO II)
Spike's TacticalSTLS045$107.10Spike's Tactical, STLS045 No Logo II, Stripped Lower, Semi-automatic, 223 Rem/556NATO, Black Finish, Non-Color, No Logo Multi Caliber Hard Coat Anodized Finish Lower Receiver Product Description Spike's lowers are made to the highest... -
Spike's Tactical Spider Stripped Lower Receiver – AR-15 Multi-Caliber
Spike's TacticalSTLS018$107.10The Spike's Tactical Spider Stripped Lower Receiver is a high-quality foundation for building a custom AR-15 platform rifle. Precision machined from 7075-T6 aluminum, this lower receiver delivers strength, durability, and reliability for both tactical... -
AERO M16A4 Clone Stripped Lower
Aero PrecisionAPAR148017C$129.99Aero Precision, M16A4 Clone Lower, Semi-automatic, 223 Rem/556NATO, Anodized Finish, Black Custom Aero Precision logo Markings include: Property of U.S.A., MOD M16A4, CAL. 5.56MM Serial number designation Safe/Semi/Burst safety selector... -
SPIKE'S STRIPPED LOWER (VIKING)
Spike's TacticalSTLS031$107.10Spike's Tactical, STLS031 Viking, Stripped Lower, Semi-automatic, 223 Rem/556NATO, Black, Non-Color Multi Caliber Hard Coat Anodized Finish Lower Receiver Product Description Spike's lowers are made to the highest standards. If you are... -
SPIKE'S STRIPPED LOWER (CRUSADER)
Spike's TacticalSTLS022$107.10Spike's Tactical, STLS022 Crusader, Stripped Lower, Semi-automatic, 223 Rem/556NATO, Black Finish, Crusader Logo Multi Caliber Hard Coat Anodized Finish Lower Receiver Product Description Spike's lowers are made to the highest standards. If... -
Spike's Tactical Stripped Lower (Spider) – AR-15 Multi-Cal Receiver
Spike's TacticalSTLS019$107.10The Spike’s Tactical Spider Stripped Lower Receiver is one of the most recognizable and trusted lowers in the AR-15 world. With the iconic spider logo laser-engraved on the magwell, this lower combines aggressive styling with rock-solid reliability... -
Spike's Tactical Stripped Lower (Calico Jack) – AR-15 Multi-Cal Receiver
Spike's TacticalSTLS016-CFA$120.60The Spike’s Tactical Calico Jack Stripped Lower Receiver is more than just the foundation of your AR-15 build—it's a bold expression of attitude and reliability. Featuring a menacing Calico Jack pirate skull and crossed swords laser-engraved... -
Spike's Tactical Stripped Upper/Lower Set – GAD FDE (AR-15 Platform)
Spike's TacticalSTS1634-PFD9$595.00Looking to build a complete AR-15 from the ground up? The Spike’s Tactical stripped upper and lower receiver set in GAD FDE delivers unmatched precision, durability, and sleek aesthetics in one perfectly matched package. Coated in Flat Dark Earth... -
Spike's Tactical Spartan Stripped Lower Receiver – AR-15 Multi-Caliber
Spike's TacticalSTLS021$107.10The Spike's Tactical Spartan Stripped Lower Receiver is a premium foundation for building a custom AR-15 rifle, combining durability, precision machining, and a distinctive Spartan design. Manufactured from high-strength 7075-T6 aluminum, this lower...
