AR Lower Parts Kits Collection
Shop AR Lower Parts Kits
Browse our full product selection, then narrow the results by firearm type, brand, action, price and availability.
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AR Lower Parts Kits Categories
- Shop by TypePistols, rifles, shotguns and other available firearm categories.
- Filter by BrandNarrow the collection to manufacturers you already know.
- FFL TransferSelect a licensed dealer during checkout where a transfer is required.
Showing 21–31 of 31 results
CMMG LOWER PARTS KIT FOR MK3 – 308 GUNBUILDERS-NOT COMPLETE
24 in stock
$44.06CMMG LOWER PARTS KIT FOR AR-15 – GUNBUILDERS KIT-NOT COMPLETE
4 in stock
$36.21CMMG ZEROED LOWER PARTS KIT – FOR MK3 308
8 in stock
$117.60GUNTEC COMPLETE LOWER PARTS – KIT AR10 W/ ERGONOMIC GRIP
13 in stock
$94.92BATTLE ARMS ENHANCED LOWER – PARTS KIT STEEL BLACK
4 in stock
$34.95ARMASPEC SUPERLIGHT GUN BULDER – KIT AR15 BLACK
5 in stock
$71.99WILSON AR15 LOWER RECEIVER – SMALL PARTS KIT
4 in stock
$52.25CMMG LOWER PARTS KIT FOR MK3 – 308
8 in stock
$77.90ARMASPEC SUPERLIGHT GUN BULDER – KIT AR10 FDE
Out of stock
$86.39GUNTEC COMPLETE LOWER PARTS – KIT AR15 W/ ERGONOMIC GRIP
5 in stock
$81.66GUNTEC COMPLETE LOWER PARTS – KIT AR15 “WITHOUT GRIP”
10 in stock
$63.35
Firearm Selection Guide
Find the Right Product Category
Start with the firearm type that matches your intended use, then compare the actual specifications on each product page. Options vary in size, action, configuration and available features, so let the product details guide your final decision.
Product availability, transfer requirements and purchasing restrictions can vary by location. Review the applicable requirements before placing an order.
Compare Before You Choose
- Firearm type
- Manufacturer and model
- Action type
- Caliber or gauge
- Capacity and configuration
- Dimensions and weight