AT3 Tactical AR-15 Buffer Tube Parts
AR-15 mil-spec tubes, heavy buffers, flat wire springs and more, available in complete kits by AT3 Tactical.
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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™ 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™ Tactical H2 Buffer (4.6 oz) for AR-15
The Best Fix for an Overgassed AR - H2 Carbine Buffer Weight This one-piece buffer weight with rubber head weighs in at 4.6 oz, and is ideal for improving recoil... -
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™ Carbine Buffer Spring for AR-15
Carbine Buffer Spring for 6-Position Adjustable Buffer Tubes This spring will fit in any carbine-length buffer tube to complete your AR15 buffer system. This piece is ideal for repairing a... -
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 Tactical AR-15 Heavy Buffers – H1, H2, and H3 Buffers
Tune Your Overgassed AR-15 with Recoil-Reducing Heavy Buffers If your rifle is throwing brass forward and recoiling sharply, you've likely got too much gas in your recoil system. Most commercially...3 Options -
AT3™
AT3™ Carbine Buffer (3.0 oz) for AR-15
Standard Carbine Buffer Weight for AR15 This one-piece carbine buffer weight with rubber head weighs in at 3.0 oz, standard weight for AR15 buffers. This is typically the ideal weight... -
AT3™
AT3 Tactical Flat Wire AR-15 Buffer Spring
Improve Your AR-15's Recoil with a Flat Wire Buffer Spring Made in the USA with cryo-treated 17-7 stainless steel, this flat wire recoil spring drops into your buffer tube to... -
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
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