Black AR-15 Lower Receiver Parts
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Armaspec SFT45/90 Ambi AR 15 Safety Selector – ARM113
Armaspec 45 and 90 Degree Ambi Safety The Armaspec SFT45/90 allows you to modify your AR-15 safety exactly how you like it. This AR-15 safety upgrade features a double-sided steel...6 Options -
NEW
Magpul MOE Enhanced AR-15 Trigger Guard
Transform Flat Mil-Spec Dimensions into Tactile Ergonomic Perfection The MOE Enhanced trigger guard overhaul ushers forgiving glove integration and positive control to the overlooked lower receiver component. Ditch the awkward...3 Options3 Options3 Options -
AT3™
AT3 Tactical AR-15 Magazine Catch and Button Assembly
AR-15 Magazine Catch with Button and Spring Whether you're finishing a build or replacing stock parts, your AR-15 is going to need reliable magazine retention. This mil-spec assembly includes the...10 Options -
AT3™RECOMMENDED
AT3™ Pro-Builder™ AR-15 Lower Parts Kit – No Grip or Trigger Assembly
Perfect Lower Parts Kit for the Premium Builds This quality lower parts kit excludes the two most commonly upgraded components - the grip and the trigger assembly (fire control group)....10 Options -
AT3™
AT3 Tactical AR-15 Bolt Catch Assembly with Spring, Plunger, and Roll Pin
Mil-Spec AR-15 Bolt Catch with Hardware The AT3 AR-15 Bolt Catch Assembly has everything you need to upgrade or replace an existing bolt catch on your AR-15 lower. You get...10 Options -
AT3™
AT3 Tactical AR-15 Takedown and Pivot Pin Assembly
AR-15 Takedown and Pivot Pins with Springs and Detents If you're completing an AR-15 lower, you won't get far without a good set of takedown and pivot pins. These mil-spec...10 Options -
Strike Industries AR-15 SHIFT Takedown and Pivot Pins
Strike Industries AR-15 SHIFT Takedown and Pivot Pins Effortlessly maintain your AR15 with Strike Industries' Shift Pins. Featuring an extended grip surface and Quick Detach mechanisms, these pins simplify disassembly...3 Options3 Options3 Options -
Strike Industries AR-15 Enhanced Takedown and Pivot Pins
Strike Industries Extended Takedown and Pivot Pins Upgrade your AR with Strike Industries' Extended Takedown and Pivot Pins, available in black, chrome, or gold finishes. Perfect for shooters seeking a...3 Options3 Options3 Options -
Strike Industries HEX 60-90 Degree Selector Switch for AR-15
Your Choice - Strike Industries HEX 60/90° Selector Switch Customization is key with the Strike Industries HEX 60/90° Ambidextrous Selector Switch for AR-15s. This versatile upgrade lets you choose between... -
Strike Industries Modular Bolt Catch for AR-15
Strike Industries Modular AR Bolt Catch This modular bolt catch lets you easily swap between 4 different button styles - standard, oversized, left extended, and right extended. No need to... -
Strike Industries AR-10 Enhanced Lower Receiver Parts Kit
Elevate Your Build with the Strike AR-10 Enhanced Lower Parts Kit Upgrade your AR-10 lower receiver with the Strike Industries Enhanced Lower Receiver Parts kit, featuring essential components for a... -
Strike Industries AR-10 SHIFT Takedown and Pivot Pins
Strike Industries Shift Pins for AR-10/LR-308 These pins feature an extended grip surface for easy disassembly, eliminating the need for a pin punch. Additionally, the Quick Detach mechanism removes the...3 Options3 Options3 Options -
AT3™
AT3™ Ambidextrous AR15 Safety Selector – 10 Colors Available
A Quick Upgrade to Any AR-style Rifle The AT3 AR-15 Ambidextrous Safety Selector replaces your existing selector all allows for enhanced safety control for both right- and left-handed shooters. This...10 Options -
AT3™
AT3 Tactical AR-15 Safety Selector Assembly with Spring and Detent
AR-15 Safety Selector with Spring and Detent AT3's AR-15 Safety Selector Assembly comes with everything you need to install a new safety or replace your existing parts. This mil-spec style...10 Options -
AT3™
AT3™ AR15 Mil-Spec Bolt Catch – 10 Colors Available
Mil-Spec AR-15 Bolt Catch The bolt catch is an essential part of what makes the AR15 such a great rifle. AT3's bolt catch is a great addition to your next...10 Options -
AT3™RECOMMENDED
AT3™ AR-15 Enhanced Billet Trigger Guard Assembly
AT3 Billet Trigger Guard - Perfect for Winter and Gloves This billet aluminum trigger guard works with all mil-spec lower receivers, and makes additional room for manipulating the trigger. The... -
AT3™
AT3™ Mil-Spec AR-15 Pivot Pin – 10 Colors Available
Mil-Spec AR-15 Pivot Pin This heavy-duty Mil-Spec Pivot Pin securely locks into and holds the upper and lower receivers in place. This US made pin is made of 8620 Alloy...10 Options -
AT3™
AT3™ Mil-Spec AR-15 Takedown Pin – 10 Colors Available
Mil-Spec AR-15 Takedown Pin The AT3 AR-15 Takedown pin is perfect for replacing a lost part or starting a new build. It has steel construction with a long-lasting phosphate finish,...10 Options -
AT3™
AT3™ Mil-Spec AR-15 Magazine Catch – 10 Colors Available
Mil-Spec AR-15 Magazine Catch This magazine catch meets and exceeds mil-spec demands. Steel construction with proper threading and dimensions, plus a durable Melonite finish to lasting wear protection. If you...10 Options -
On Sale
Magpul Trigger Guard for AR 15 – MAG417
Curved Shape For Better Use Of Gloves in Cold Weather Operations The Magpul Trigger Guard is a drop-in replacement for the AR15/M4 weapons platform manufactured from enhanced polymer that is...4 Options -
AT3™
AT3™ Mil-Spec AR-15 Pistol Grip Screw
AT3 Mil-Spec AR-15 Pistol Grip Screw Looking for a reliable replacement for your lost or damaged AR-15 Pistol Grip Screw? Look no further than AT3 Tactical. Our Mil-Spec AR-15 Pistol... -
Timber Creek Outdoors Ambidextrous AR 15 Safety Selector
90 or 45 Degree Ambi Safety - Form and Function for Everyone The Timber Creek Outdoors Ambidextrous Safety Selector replaces your existing selector all allows for enhanced safety control for...8 Options -
AT3™
AT3™ Mil-Spec AR-15 Magazine Catch Button – 10 Colors Available
Mil-Spec AR-15 Magazine Catch Button All AT3 Tactical lower receiver parts meet or exceed Mil Spec. The magazine catch button is no exception. Steel construction with proper threading and dimensions,...10 Options -
Timber Creek Outdoors Extended Magazine Release – AR-EMR
Great Performance on Your AR with Timber Creek Outdoors Extended Magazine Release Timber Creek's Extended Magazine Release allows for fast and easy magazine changes for all shooters. Ergonomic texturing machined...8 Options
Black AR-15 lower parts kits for finishing out your lower receiver. AT3 uses parts that meet or exceed mil-spec in all the LPKs we offer.
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