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If you're new to AT3, these popular products are a great place to start.

115 reviews
$45.99 $54.49

Dead-on accurate 45 degree AR-15 iron sights at a fraction of the cost of the "big brands" FEATURES: Allows the user to quickly switch from optics to iron sights by slighly rotating the rifle Universal - mounts to any picatinny rail system that is at the height of the flat top upper Works best for right-handed shooters, but can be...

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89 reviews
$108.99 $128.99

The AT3 Tactical Light & Green Laser Combo LL-02G features a blindingly bright 225 Lumen light and a brilliant green laser visible to 100+ yards in daylight. Go Green Green lasers are far brighter than red lasers, especially in daylight. Our laser is exceptionally bright (100 yards+ visibility in broad daylight) and works in temperatures down to 14 degrees F....

106 reviews
$38.99 $45.99

AT3 Tactical Flip Up Backup Iron Sights (BUIS) provide dead-on accuracy, superior durability, and the best value for AR-15 iron sights! Available in 2 types: Gas Block Sights - for mounting on gas blocks that are lower than the upper receiver (usually about 1/4" lower than the upper receiver rail) Same Plane Sights - Made for mounting on quad rails or...

31 reviews
$74.99 $88.99

Accurate. Dependable. Unbeatable Value in a Small Package. Only 6 ounces and 2.4 inches long, the AT3 RD-50 Red Dot sight is specifically optimized for the AR platform, but also ideal for shotguns, hunting rifles, and any other weapon with a picatinny rail. Accurate Crisp 2 MOA red dot allows for accurate, both-eyes-open shooting. Parallax free design: The red dot...

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50 reviews
$129.99 $152.99

Gear up with the longest free float quad rail on the market - the AT3 Tactical Pro Series 15.75" Free Float Quad Rail. LIGHTWEIGHT AND DURABLE Free float design enhances accuracy by keeping stress off the barrel Rock-solid 6061 Aircraft Aluminum handguard that withstands the toughest conditions  Rail height perfectly matches an AR-15 flat-top upper receiver - your optics, iron...

35 reviews
$29.99 $35.99

This premium Stainless Steel Micro Gas Block comes in 4 sizes: .625", .75", .825", and .936". We have a fit for every barrel! FEATURES: 4 sizes available: .625", .75", .825", and .936 (.75" is the most common size, but always measure the barrel if you aren't sure!) Low profile design, perfect with our quad rail systems Steel construction (better than...

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32 reviews
$123.99 $146.99

The AT3 Tactical 14.5" Free Float Quad Rail provides an unfailing grip and plenty of room for accessories. LIGHTWEIGHT AND DURABLE Free float design enhances accuracy by keeping stress off the barrel Rock-solid 6061 Aircraft Aluminum handguard that withstands the toughest conditions  Rail height perfectly matches an AR-15 flat-top upper receiver - your optics, iron sights, and other accessories will...

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40 reviews
$114.99 $135.99

Our signature rifle-length free float quad rail - the AT3 Tactical Pro Series 12.5" Free Float Quad Rail. LIGHTWEIGHT AND DURABLE Free float design enhances accuracy by keeping stress off the barrel Rock-solid 6061 Aircraft Aluminum handguard that withstands the toughest conditions Rail height perfectly matches an AR-15 flat-top upper receiver - your optics, iron sights, and other accessories will...

19 reviews
$38.85

The Magpul MOE M-LOK Hand Guard (Magpul Original Equipment) for AR15/M4 firearms with carbine-length gas systems combines the light weight of a standard hand guard with modular flexibility. Designed with versatility in mind, M-LOK slots at the two, six, and ten o'clock positions allow the attachment of optional 1913 Picatinny rail sections and other M-LOK accessories for the direct mounting...

15 reviews
$48.45

Magpul Original Equipment (MOE) is a line of firearm accessories designed to provide a high-quality, economical alternative to standard weapon parts. The MOE line distinguishes itself with a simplified feature set, but maintains Magpul engineering and material quality. The Magpul MOE Stock – Mil-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using mil-spec sized receiver extension tubes. Designed...

7 reviews
$23.85

  The MOE Grip provides Magpul quality, feel, and durability in an economical, drop-in upgrade for the standard AR15/M16/M4 pistol grip. The ergonomic, hand filling design combines aggressive texturing with storage core capability. With a similar shape to a 'medium' sized MIAD, the one-piece reinforced polymer construction provides simplicity and a reduced cost while still maintaining the durability needed to...

18 reviews
$49.99 $58.99

Sleek and lightweight, durable and accurate - the AT3 Pro Series Backup Iron Sights are the ultimate value in AR-15 iron sights! Accurate and Easy to Use Standard A2 sight design makes these easy to sight in. Adjustable front sight post controls the elevation, and the rear sight features a simple knob for windage adjustment Rear sight features a dual aperture - a...

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18 reviews
$32.99 $38.99

The AT3 Long Low Profile Gas Block is designed to cover up barrel scars that are left after removing an AR-15 front sight base FEATURES 3/4" (.75") size – works with any .75" AR-15 barrel Perfect for use with long AR15 handguards that cover the gas block Length is designed to cover up blemishes on barrel after removing front sight base...

18 reviews
$26.45 $29.95

Keep that grip secure with Hogue's AR-15 Overmolded Beavertail Pistol Grip with Finger Grooves. Comfort and control for your AR to keep you shooting straight. FEATURES: Fiberglass core; Durable and lightweight material Overmolded rubber exterior with a beavertail, finger grooves and palm swells; provides a comfortable and superior grip surface Retains the important lines and aesthetics of the AR; The...

26 reviews
$64.99 $76.99

The AT3 T-Series is a classic free floating quad rail at a fraction of the price of the "big brands" Add an optional endcap for only $10 more by selecting it in the dropdown above ($14 value!) FEATURES: "Monolithic" rail design - creates a continuous rail with a flat upper receiver. No gap! Universal - fits with standard 1.25" barrel nut (upper...

15 reviews
$99.85 $111.15

Customize the look and feel of your AR with a Magpul MOE Furniture Kit. Save 10% vs buying the pieces individually - plus free shipping! This kit consists of 3 easy-to-install components - the MOE carbine handguard, milspec buttstock, and MOE pistol grip.  This kit is offered in 5 colors: Black, FDE, OD Green, Pink, Gray Parts included: MAG400 - Magpul MOE Carbine...

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17 reviews
$13.99 $16.99

SPECIFICATIONS: Compatibility: AT3 Tactical T-Series Quad Rails (Does not work with Pro series quad rails)Material: 6061 aircraft aluminumFinish: Hardcoat Anodized (black)Outside Diameter: 1.75"Inside hole diameter: 1.1"Packaging: PE Bag OTHER INFORMATION: - Easy to install - mounts to end of quad rail using 4 hex screws (included)- Works with many types of free float quad rails, including those made by AT3 Tactical-...

13 reviews
$84.99 $100.99

Customize your setup with the AT3 Pro Series Free Float Modular AR-15 Handguard CONFIGURE THE ULTIMATE HANDGUARD Customize the handguard with picatinny rail segments (included). Perfect for mounting lights, lasers, grips, bipods, and more 7", 10", and 12" lengths available (note - 12" Length is used in all product pictures on this page) Free float design enhances accuracy by keeping...

6 reviews
$29.85

Designed for use with 1913 Picatinny railed hand guards, the RVG is a basic, light weight, cost-effective vertical fore grip. Shape is ergonomically designed for use as a traditional vertical grip. It has also been optimized for use with the "thumb break method" of shooting as taught by Magpul DynamicsSM.Includes all mounting hardware plus a universal mounting rail for custom...

12 reviews
$143.85 $149.00

Troy 7" Carbine AR-15 Drop-In Rail Black. The Troy Drop In Rail is a non free floating direct replacement for all AR-15/M4/AR15 carbine length plastic hand guards. The Troy Patented clamping design ensures a solid mounting platform. The Drop In provides a true optical mounting platform that increases the modularity and accuracy of the M4. No gunsmithing is required and...

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11 reviews
$48.45

Magpul Original Equipment (MOE) is a line of firearm accessories designed to provide a high-quality, economical alternative to standard weapon parts. The MOE line distinguishes itself with a simplified feature set, but maintains Magpul engineering and material quality. The Magpul MOE Stock – Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using commercial-spec sized receiver extension tubes. Designed...

1 review
$14.45

The XTM Enhanced Rail Panels are low-profile, two-piece covers that attach anywhere on a 1913 Picatinny rail without having to remove previously mounted accessories. Replacing the original XTM Panels, The Enhanced XTM Panels feature an aggressive anti-slip texture and dual-side routing clips for retention of light/laser cables. The design and reinforced material construction ensure the panels will remain in place...

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5 reviews
$15.99 $18.99

A quality, USA made stainless steel gas tube for carbine-length gas systems. Works great with AT3 Tactical Gas Blocks.  SPECIFICATIONS: Material: Stainless Steel Finish: Natural Length: 9 3/4" Use for: Carbine length gas systems (7" gas systems) NOTE:  Hogue Handguards require a bent gas tube. Instructions that describe this can be found at this link:    http://198.57.214.134/PDF%20files/Instruction%20PDF%20files/crd_ins_aracc_03172014.pdf

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16 reviews
$230.00

The Geissele Super Semi-Automatic (SSA-E®) trigger is a precision-tuned version of the legendary SSA trigger with lighter trigger pull for long-range accuracy. It features a reduced trigger pull when compared to the SSA (3.5lb vs. 4.5lb). The 1st and 2nd stage pull weights result in a trigger with a smooth, light 1st stage take-up and a crisp, candy cane-like 2nd stage break. To...

1 review
$21.85

Magpul Original Equipment (MOE) is a line of firearm accessories designed to provide a high-quality, economical alternative to standard weapon parts. The MOE line distinguishes itself with a simplified feature set, but maintains Magpul engineering and material quality.The PMAG 30 AR/M4 GEN M2 MOE Window is a 30-round 5.56x45 NATO (.223 Remington) AR15/M4 compatible magazine that offers a cost competitive...

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8 reviews
$19.55 $20.00

Hogue free float forends require a bent gas tube. You can bend your own or buy the Hogue AR15 Metal Gas Tube Bent Carbine AR Forend - your choice. FEATURES: Pre-bent gas tube for Carbine length; No mess and no fuss SPECIFICATIONS: Material: Metal Finish: Natural

8 reviews
$52.35 $60.50

The ERGO tactical deluxe pistol grip with palm shelf is an ergonomically enhanced pistol grip compatible with the AR-15/M16 and AR-10/308. The ERGO tactical deluxe is a ambidextrous pistol grip that features the SUREGRIP texture. Features: - Wider, heavier textured design for a better handle - Includes a palm shelf for increased stability and weapon control- Ambidextrous palm swell provides shooters...

2 reviews
$19.85

Magpul Original Equipment (MOE) is a line of firearm accessories designed to provide a high-quality, economical alternative to standard weapon parts. The MOE line distinguishes itself with a simplified feature set, but maintains Magpul engineering and material quality. The PMAG 30 AR/M4 GEN M2 MOE is a 30-round 5.56x45 NATO (.223 Remington) AR15/M4 compatible magazine that offers a cost competitive...

8 reviews
$86.85 $94.95

A longer forend - great for long barrels but fine for standard 16" barrels too. Go FF with the Hogue Rifle-length AR-15 Free Floating Overmolded Forend. FEATURES: AR-15; Fits the AR-15/M-16 Rifle-length perfectly Free Floating Forend with a unique 2 piece aluminum design; Improves accuracy of the weapon especially on long range targets Non-slip, heat resistant rubber grip area; Great...

3 reviews
$21.85

Three-pack of 6.2" rail covers. Troy Rail Covers are engineered to survive the most extreme conditions. Constructed from durable, heat & chemical resistant synthetic polymer resin, the Troy Rail Cover quickly and easily slides onto a 1913 Picatinny Rail and locks into place with a built-in retaining clip. Scientifically engineered and proven to reduce heat transfer and abrasions to the...