Lower Parts Kits
Welcome to a world of precision and customization with our premium AR-15 Lower Parts Kits. Whether you're a seasoned firearms enthusiast or a newcomer to the AR platform, our comprehensive selection of lower parts kits offers everything you need to build or upgrade your AR-15 lower receiver.
Our AR-15 Lower Parts Kits are engineered to the highest standards, ensuring reliable performance, smooth operation, and enhanced durability. Crafted from top-quality materials and manufactured with precision, each component in our kits is designed to fit seamlessly, providing a solid foundation for your firearm project.
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On Sale
AR-15 Mil-Spec Lower Parts Kit
Sale: $44.43MSRP: $59.99Complete your AR-15 build or perform crucial field maintenance with the AR-15 Mil-Spec Lower Parts Kit (LPK). Engineered to exact military specifications, this complete lower receiver parts kit...Sale: $44.43MSRP: $59.99 -
On Sale
Complete Rifle Parts Kit - AR15
Sale: $75.99MSRP: $94.99Complete Rifle Parts Kit Lower Parts Kit Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch Spring Detent SpringSale: $75.99MSRP: $94.99 -
OOPS KIT - REPLACEMENT PARTS
$9.99AR 15 Oops Kit includes: (1) Hammer spring (1) Trigger spring (2) Hammer/trigger pins (1) Disconnector spring (2) Takedown/pivot pin detents (2) Takedown/pivot pin springs (1) Safety...$9.99 -
On Sale
Grid Defense AR10 Lower Parts Kit
Sale: $59.00MSRP: $79.00Grid Defense AR10 Lower Parts Kit Includes: Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard&nbsSale: $59.00MSRP: $79.00 -
Ghost Firearms Complete Lower Pistol Build Kit
$89.99Ghost Firearms Complete Lower Pistol Build Kit Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard$89.99 -
Out of stock
Complete Rifle Parts Kit - AR10
$119.00Complete AR10 Rifle Parts Kit AR10 Lower Parts Kit Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch Spring Detent...$119.00 -
Out of stock
Mil-Spec Lower Parts Rifle Kit Nickel Boron
$99.00Includes: Lower Parts Kit with NiB Fire Control Group Nickel Boron Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch...$99.00 -
Out of stock
Grid Defense Lower Pistol Build Kit Nickel Boron
$99.00Ghost Firearms Lower Pistol Build Kit Nickel Boron Nickel Boron Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch Spring Detent...$99.00 -
Out of stock
AERO PRECISION AR15 FIELD REPAIR KIT
$20.00AERO PRECISION AR15 FIELD REPAIR KIT AR15 Takedown Pin Detent (2) Takedown Pin Spring (2) Roll Pin, Fwd Assist (2) Bolt Catch Spring (2) Bolt Catch Buffer$20.00 -
GRID DEFENSE MIL-SPEC LOWER PARTS KIT WITH BLACK MAGPUL MOE + GRIP
$79.99GRID DEFENSE MIL-SPEC LOWER PARTS KIT WITH MAGPUL MOE GRIP This complete lower parts kit includes all the components needed to build out your lower receiver minus the buffer tube assembly...$79.99 -
Spike's Tactical Standard AR15 Lower Parts Kit
$85.00Spike's Tactical Lower Parts Kit Better than Mil-Spec quality Included Rounded Hammer (Works with ALL Calibers) and Hammer Spring Trigger and Trigger Spring Disconnector and Disconnector...$85.00 -
Grid Defense Pistol Lower Parts Kit with Fin
$129.98Grid Defense Pistol Lower Parts Kit with Fin Grid Defense Pistol Stabilizing Fin -Constructed from Reinforced Polymer -Increases Weapon Control and Stability -Weighs 5.7oz -Fits Pistol Buffer...$129.98 -
Grid Defense Pistol Lower Parts Kit with Fin - FDE
$129.98Grid Defense Pistol Lower Parts Kit with Fin - FDE Grid Defense Pistol Stabilizing Fin - FDE -Finished in Magpul Flat Dark Earth Cerakote -Constructed from Reinforced Polymer -Increases Weapon...$129.98 -
Grid Defense No FCG Mil-Spec Lower Parts Kit
$29.99Grid Defense No FCG Mil-Spec Lower Parts Kit A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector&nb$29.99 -
Out of stockOn Sale
Strike Industries Enhanced Lower Parts Kit
Sale: $74.65MSRP: $82.95Strike Industries Enhanced Lower Parts Kit Enhanced Bolt Catch Strike Magazine Catch Strike Magazine Catch Button Enhanced Pivot Pin Enhanced Takedown PinSale: $74.65MSRP: $82.95 -
Armaspec Spare Parts Kit
$15.99Armaspec Spare Parts Kit Lower Parts For: AR-15 and 7.62/.308 AR's Constructed From Stainless Steel Includes: 3 Pivot/Takedown Pin Detents 3 Pivot/Takedown Pin Springs 1 Safety Selector...$15.99 -
Out of stock
Grid Defense 9mm Lower Parts Kit
$14.98Grid Defense 9mm Lower Parts Kit Ejector 2 Ejector Set Screws Magazine Release Button Magazine Release Button Roll Pin Magazine Release Spring IF YOU PURCHASE A GRID DEFENSE 9MM 80% LOWER...$14.98 -
Grid Defense Complete Lower Pistol Build Kit - FDE
$109.99Ghost Firearms Complete Lower Pistol Build Kit - FDE FDE Cerakote Trigger Group FDE Cerakote A2 Grip Buffer Retainer Pin Buffer Retainer Spring$109.99 -
Out of stock
Odin Works Enhanced AR15 Lower Parts Kit
$59.00Odin Works Enhanced AR15 Lower Parts Kit 31 piece set to complete a lower Major Parts are Nitride Coated Winter trigger guard$59.00 -
Out of stock
Rise Armament Lower Parts Kit - No Fire Control Group
$44.99Rise Armament Lower Parts Kit - No Fire Control Group Precise Manufacturing Long Term Reliability Durable Construction$44.99