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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Franklin Armory Libertás Built Lower Receiver Model 0020009BLK Multi Caliber Firearm
Franklin Armory$431.99Franklin Armory 0020009BLK Libertas Multi Aluminum Black Hardcoat Anodize The Franklin Armory Libertás Built Lower Receiver offers versatile compatibility with multi-caliber firearms, making it suitable for a variety of shooting applications. Featuring... -
MDT Sporting Goods Inc MDT 115006BLK Hunting Bottom Metal for Tikka T3X LA
MDT SPORTING GOODS INC$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... -
MDT Sporting Goods Inc MDT 110108BLK Hunting Bottom Metal for Tikka T3X
MDT SPORTING GOODS INC$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 INC$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... -
BATTLEARMS Xiphos Billet Dedicated 9mm AR Lower Receiver — Glock Magazine Compatible
Battle Arms Development$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 AUTHORITY ELITE AR-15 Ambidextrous Lightweight Billet Lower Receiver
Battle Arms Development$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 Development$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 Development$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 Development$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... -
AERO Precision M5 AR-10 Complete Lower Receiver with MOE Grip – Black | .308 / 7.62 NATO
Aero Precision$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... -
Desert Tech QUATTRO-15 LOWER 556NATO 53RD BLK
Desert Tech$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 Precision$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... -
Aero Precision M4E1 PRO Stripped Lower Receiver 5.56/.223 – Kodiak Brown
Aero Precision$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 Precision$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 Precision$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... -
WORKHORSE Complete Rifle Lower with B5 Bravo Stock
Battle Arms Development$399.99his complete WORKHORSE Rifle Lower with B5 Systems Bravo Stock is fully assembled and ready for your rifle upper.SKU: WH-LR-R-B5UPC: 810033783913Manufacturer: Battle Arms Development, Inc.Receiver Model: WORKHORSE® (Forged)Type: Semi-Auto... -
Battle Arms Authority Elite Ambidextrous AR15 Lower Receiver – 7075-T6 Billet (Black Anodized)
Battle Arms Development$359.00Authority Elite Ambidextrous Lightweight Billet AR15 Lower Receiver is a premium foundation for high-performance AR15 builds. Precision machined from 7075-T6 billet aluminum, this lower receiver delivers exceptional strength, lightweight handling, and...
