All AR-15 Parts and Accessories
We are consistently adding new products!
AT3 Tactical offers a wide range of top-rated AR 15 parts and tactical accessories. Build your ultimate AR-15 with our great selection of AR-15 scopes, AR-15 magazines, handguards & quad rails, best red dot sights, lower parts kit, iron sights, upper receiver, AR barrels, and more! We also carry AR-15 accessories from the top brands like Magpul, Aero & more! READ MORE
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Luth-AR MBA-3 Modular Stock for Mil-Spec or Commercial AR-15 Buffer Tubes
Fully Adjustable AR-15 Buttstock for Mil-Spec or Commercial Buffer Tubes The MBA-3 Buttstock replaces the standard stock on your AR, with complete adjustment for cheek weld, length of pull, and...2 Options -
Troy Carbine Length Battle Rail AR-15 Drop-In Quad Rail
Non-Free-Floating Direct Replacement for All AR-15/M4/AR15 Carbine and Mid-length Plastic Handguards The Troy Drop-In Rail is a non-free-floating direct replacement for all M4/AR15 Carbine length plastic handguards with a round...2 Options -
TangoDown Vickers Extended Slide Stop for Slimframe Glocks
TangoDown Vickers Extended Slide Stop for Slimframe Glocks The TangoDown Vickers Extended Slide Stop for Glock is an excellent upgrade for your Glock pistol. It is designed to provide enhanced...2 Options2 Options2 Options -
Armaspec Victory Compact Ambidextrous AR-15 Charging Handle
Armaspec Victory Compact AR-15 Charging Handle The Armaspec Victory Compact adds ambidextrous charging to your AR-15, with shorter latches to reduce snagging on gear. Just like the original Victory, the...6 Options -
Phase 5 Weapon Systems PMR AR-15 Magazine Release
Textured & Stylish Magazine Release Button For Faster Magazine Reloads The Phase 5 Weapon Systems PMR AR-15 Magazine Release is a stylish drop-in replacement for the standard Mil-Spec magazine release...3 Options3 Options3 Options -
Duramag AR-15 Stainless Steel 28 Round Magazine – 6.8 SPC / .224 VALKYRIE
An Extremely Durable Magazine For AR-15 Specialty Calibers The Duramag AR-15 Stainless Steel 28 Round Magazine - 6.8 SPC / .224 VALKYRIE is designed for AR-15 specialty calibers that requires... -
Streamlight TLR RM 2 1000 Lumen Weapon Light with Laser Sight and Pressure Switch
Light and Laser Kit with Blinding Power Streamlight knows how to build a complete light and laser package, and the TLR RM 2 with laser and pressure switch is proof...2 Options -
Real Avid AR-15 Bolt Catch Punch Set
Bolt Catch Roll Pin Punch and Starter Punch Set This two-piece kit vastly simplifies installing your AR-15's bolt catch roll pin. Since it's so easy to scuff your lower with... -
AT3™
AT3™ Enhanced Mil-Spec AR-15 Trigger
Nickel Teflon Coated for a Smoother Trigger Pull All AT3 Tactical lower receiver parts meet or exceed Mil Spec. These parts are guaranteed to fit and function in your AR15... -
NEW
Edgar Sherman Design Paracord Guide Sling Mounting Adapter
Edgar Sherman Design Paracord Guide Sling Mounting Adapter The Edgar Sherman Design Paracord Guide Sling Mounting Adapter offers a unique approach to sling attachment, allowing you to effortlessly secure your...2 Options2 Options2 Options -
Arms Unlimited Ambidextrous AR-15 Magazine Release
Colt OEM Ambidextrous AR-15 Magazine Release The Arms Unlimited Ambidextrous AR-15 magazine release drops into your mil-spec lower as a simple, effective upgrade part. This magazine release allows you to... -
Odin Works .750″ Low Profile Adjustable AR 15 Gas Block
20 Adjustment Points For The Most Ideal Gas Setting The Odin Works .750" Low Profile Adjustable Gas Block is specifically designed to ensure the proper functionality of the gas system.... -
Rise Armament RA-434 High Performance Trigger – 3.5 Pound Single Stage
Rise Armament High Performance 3.5 Pound Trigger The Rise Armament HPT trigger brings speed and precision to your AR-15, without blowing your whole budget. The High Performance Trigger has just...2 Options -
Breek Arms 3FO-S Short Outside Threaded AR 15 Flash Hider for .223/5.56 – 1/2×28
Compact Flash Hider Threaded for Blast Shield Do you want the flexibility of having both a flash hider and a linear compensator? The Breek Arms 3FO-S may be the right... -
3-Pack – Magpul M3 10 Rd Magazine – 308 Win/7.62NATO Caliber – Fits DPMS/SR25/LaRue...
Buy in Bulk And Save! This Pack Includes Three (3) Magpul M3 10-Round Magazine! The Magpul M3 10 Rd Magazine is a highly reliable 10-round 7.62 NATO polymer magazine for... -
RECOMMENDED
UTG Super Slim 45 Degree Trijicon RMR Offset Red Dot Mount
UTG Super Slim 45 Degree RMR Offset Red Dot Mount Get a minimalist backup optic on your rifle at little weight cost, the UTG Super Slim 45 Degree RMR Offset... -
Phase 5 Weapon Systems Mini M-LOK Handstop for AR-15
Ultra-Lightweight Handstop for a more Stabilized Grip For Your AR The Phase 5 Weapon Systems Mini M-LOK Handstop is an ultra-lightweight rail attachment that serves as a quick reference point...3 Options -
Luth-AR Upper Receiver Parts Kit for AR-15
Luth-AR Forward Assist and Dust Cover Kit This mil-spec parts kit from Luth-AR includes everything you need to finish a mil-spec stripped upper receiver. This kit includes the forward assist... -
Radian Weapons Talon AR 15 Safety Selector – Red
The Best Ambi Safety Selector - Now in Anodized Red Finish The Talon™ ambidextrous safety selector is a modular design that can be installed as a standard 90° or as... -
Magpul MOE Fixed Carbine Stock – Mil Spec AR-15 – MAG480
Fixed Magpul Carbine Stock for AR-15 The Magpul MOE Fixed Stock - Mil-Spec offers a great option for upgrading the standard buttstock on your AR15/M4 rifle. Designed with a slim...4 Options -
Midwest Industries SP Suppressor Compatible AR-15 Free Float M-LOK Handguard
Midwest Industries Suppressor Compatible Handguard The Midwest Industries SP Series M-Lok Handguard is made from 6061 aluminum, and hard coat anodized for a lifetime of service. This handguard features a...5 Options -
AT3™
AT3 AR 15 Lower Build Kit – Magpul Stock and Grip, AT3 Lower Parts...
Finish Off Your New Rifle Lower with an Enhanced Trigger and Matching Magpul Furniture Your AR lower has some of the most critical parts you don't want to skimp on...4 Options -
AT3™On Sale
AT3™ FF-ML 11.5″ Complete AR 15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel...
The AT3 11.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....8 Options -
3 Pack of 1/4 Inch Spacers for Stealth Recoil Spring for AR 15
Spacers for Fitting the Stealth Recoil Spring in Non-Standard Builds For builds with long, non-standard buffer tubes, these spacers can be useful for ensuring your Stealth Recoil Spring will function...
We are consistently adding new products!
AT3 Tactical offers a wide range of top-rated AR 15 parts and tactical accessories. Build your ultimate AR-15 with our great selection of AR-15 scopes, AR-15 magazines, handguards & quad rails, best red dot sights, lower parts kit, iron sights, upper receiver, AR barrels, and more! We also carry AR-15 accessories from the top brands like Magpul, Aero & more!
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