Gray AT3 Tactical AR-15 Parts
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AT3™
AT3™ Castle Nut for AR-15 Buffer Tubes – 10 Colors Available
Secure Your AR15 Buffer Assembly with a Steel Castle Nut This steel castle nut is an essential piece of an AR15 buffer tube/stock assembly. With standard cuts for use with...10 Options -
AT3™
AT3™ SPEAR M-LOK Handguard for AR-15 – 9, 12, & 15 inch Lengths
The AT3 SPEAR™ is our best, most secure handguard. Simple to install, lightweight, and easy on the wallet. The slim free-float design enhances accuracy while minimizing the weight of...24 Options -
AT3™
AT3™ Mil Spec End Plate for AR-15 – 10 Colors Available
Mil-Spec Steel Endplate for AR15 Lower Receivers This standard endplate is compatible with any mil-spec AR15 lower receiver. Perfect for completing a build that might be missing this component, or...10 Options -
AT3™
AT3™ Mil Spec AR-15 Buffer Tube – 10 Colors Available
Mil-Spec AR-15 Carbine Buffer Tube Made 6061-T6 aluminum construction with a black anodized finish, with six precision-machined notches to securely lock your stock into position. This buffer tube has a...10 Options -
AT3™
AT3™ AR 15 Extended Charging Handle Latch
Upgrade your Charging Handle For Easier Operation The AT3 Tactical Extended Charging Handle Latch is a simple upgrade to any existing mil-spec charging handle. When wearing gloves, or when optics...10 Options -
AT3™
AT3™ AR-15 M-LOK Angled Foregrip – Available in 10 Colors
Low-Profile Angled Foregrip For A Safe, Faster, & More Accurate Follow-up Shots The AT3™ AR-15 M-LOK Angled Foregrip is a great addition to your handguard to allow better positioning of...10 Options -
AT3™RECOMMENDED
AT3™ Slick Side Upper | Billet Upper Receiver for AR-15
Tough, Sleek, and ready for the AT3 SPEAR M-LOK Handguard Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly...8 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™
AT3™ AR-15 M-LOK Handstop – Available in 10 Colors
A Small Addition To Your AR For A More Positive Handling & Improved Weapon Control The AT3 AR-15 M-LOK Handstop is a lightweight and low-profile addition to M-LOK handguards that...10 Options -
AT3™
AT3™ M-LOK Rail Section – 5 or 7 Slots – Made in USA –...
AT3 M-LOK Rail Sections Securely mount lights, lasers, or any other accessories on your M-LOK handguard with our rail sections, giving you all the space you'll need with rock-solid aluminum...20 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™ Mil Spec Buffer Tube Kit For AR-15 – 10 Colors Available
The perfect kit for your next build - at a price that can't be beat. This Mil-Spec AR-15 Buffer Tube Kit includes the buffer tube, castle nut, lock plate, 3oz...10 Options -
AT3™
AT3™ AR 15 Upper Receiver and SPEAR Handguard Combo
Getting Started on Your Next Build? Go Sleek and Lightweight with our Billet Upper and SPEAR M-LOK Handguard. The slim free-float design of the SPEAR handguard enhances accuracy while minimizing...24 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™ M-LOK Quick Detach Sling Mount – Made in USA – 10 Colors Available
High-Quality Quick Detach Sling Mount The AT3 M-LOK QD Sling Mount provides your M-LOK handguard with a forward attachment point for quick detach sling swivels. This mount is compatible with...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 -
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™RECOMMENDED
AT3 Tactical Standard GI AR 15 Charging Handle – 10 Colors Available
Classic Mil-Spec Charging Handle - Light and Strong - A Great Value Easily chamber your rifle with this classic mil-spec charging handle assembly. Easy to install - just drop into...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™
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™ 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™RECOMMENDED
AT3™ M-LOK Rail Section and QD Sling Mount Combo – 10 Colors Available
Save Big and Deck Out Your M-LOK Handguard This little package is essential if you plan to run a sling with other accessories on an M-LOK handguard. The rail section...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
Kit out your stealthy gray rifle with parts from AT3, from handguards and uppers to lower parts, all with Cerakote.
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