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AR-15 Lower Receiver Parts for Custom Builds & Upgrades

Build, repair, or upgrade your AR-15 with premium lower receiver parts engineered for dependable performance and long-lasting reliability. AR15 Elite offers a growing selection of quality AR-15 lower parts including triggers, lower parts kits, buffer tube assemblies, stocks, pistol grips, buffer springs, and other essential components for completing or upgrading your rifle.

Whether you're assembling a stripped lower receiver, replacing worn parts, or improving your rifle's performance with an upgraded trigger or stock, you'll find components designed to fit standard AR-15 platforms. Every product is selected to help shooters build dependable rifles for hunting, competition, recreational shooting, or defensive applications while maintaining the quality and precision expected from a custom AR-15.

Browse our selection of AR-15 lower receiver parts with confidence and complete your next build using quality components backed by detailed product information and trusted customer service from AR15 Elite.

Shop Lower Receiver Parts

Select a category below to view available products and options.

Buffer Tube Parts and Kits

Buffer Tube Parts and Kits

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Lower Parts and Kits

Lower Parts and Kits

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Stocks and Pistol Braces

Stocks and Pistol Braces

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Trigger Upgrades

Trigger Upgrades

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