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
Ghost Mil-Spec Lower Parts Kit
Sale: $49.99MSRP: $59.99Ghost Mil-Spec Lower Parts Kit Trigger Group A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch Spring Detent Spring Bolt Catch Plunger Bolt Catch Magazine...Sale: $49.99MSRP: $59.99 -
On Sale
Complete Rifle Parts Kit - AR15
Sale: $80.99MSRP: $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 Spring Bolt Catch Plunger Bolt...Sale: $80.99MSRP: $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 spring (1) Safety detent (1) Magazine release...$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 Safety Selector Bolt Catch Spring Detent Spring Bolt Catch Plunger Bolt...Sale: $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 Safety Selector Bolt Catch Spring Detent Spring Bolt Catch Plunger Bolt...$89.99 -
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 Spring Detent Spring Bolt...$99.00 -
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 Spring Bolt Catch Plunger...$119.00 -
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 Spring Bolt Catch...$99.00 -
Out of stock
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. Includes: Magpul MOE+ Grip Magpul MOE Trigger...$79.99 -
AERO PRECISION AR15 FIELD REPAIR KIT
$14.99AERO 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 Bolt Catch Roll Pin (2) Trigger/Hammer Pin Safety Selector Spring Safety Selector...$14.99 -
Out of stock
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 Spring Stainless Hammer and Trigger Pin with Black Oxide...$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 Tube up to 1.25" (Not Included) PISTOL BUFFER TUBE...$129.98 -
Out of stock
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 Control and Stability -Weighs 5.7oz -Fits Pistol...$129.98 -
On Sale
Odin Works Enhanced AR15 Lower Parts Kit
Sale: $53.10MSRP: $59.00Odin Works Enhanced AR15 Lower Parts Kit 31 piece set to complete a lower Major Parts are Nitride Coated Winter trigger guardSale: $53.10MSRP: $59.00 -
Spike's Enhanced Lower Parts Kit
$181.00Spike's Enhanced Lower Parts Kit 556 - Black Better than Mil-Spec quality Five Upgrades Over Standard Parts Kit Battle Trigger Group (Nickel Boron Coated)Billet Tool-less Trigger GuardBlack Ergo GripBlack KNS Anti Rotation Gen 2 Mod 2Ambi Safety Also...$181.00 -
Out of stock
Grid Defense Complete AR-15 Rifle Parts Kit - FDE
$124.99Grid Defense Complete Rifle Parts Kit - FDE Lower Parts Kit FDE Cerakote Trigger Group FDE Cerakote A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch...$124.99 -
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 Bolt Catch Spring Detent Spring Bolt Catch Plunger Bolt Catch Magazine...$29.99 -
On Sale
Armaspec Spare Parts Kit
Sale: $14.39MSRP: $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 Detent And Spring 1 Buffer Retainer...Sale: $14.39MSRP: $15.99 -
On Sale
Strike Industries Enhanced Lower Parts Kit
Sale: $73.95MSRP: $82.95Strike Industries Enhanced Lower Parts Kit Enhanced Bolt Catch Strike Magazine Catch Strike Magazine Catch Button Enhanced Pivot Pin Enhanced Takedown Pin SI Selector Lever SI Selector End Plate SI 60-90 degree 3-in-1 Selector ShaftSale: $73.95MSRP: $82.95 -
Aero Precision AR-15 Lower Parts Kit without Fire Control Group
$34.99Aero Precision AR-15 Lower Parts Kit without Fire Control Group Takedown/pivot Spring Takedown/pivot detent Takedown pin Pivot pin Bolt Catch Bolt Catch Spring Bolt Catch buffer Bolt catch roll pin Safety Selector Safety Selector...$34.99