Build More, Save More | Get up to $220 Off! | Shop Now

Build More, Save More | Get up to $220 Off! | Shop Now

AT3 Tactical AR-15 Buffer Tube Parts

AR-15 mil-spec tubes, heavy buffers, flat wire springs, and more—AT3 Tactical offers complete kits designed for reliable performance and smooth cycling. Each component is built to meet high standards, ensuring durability and consistency in any AR-15 build. Ideal for upgrades or new projects, these kits provide everything needed for a READ MORE

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AT3 Tactical Castle Nut for AR15

(102)

AT3™ Castle Nut for AR-15 Buffer Tubes – 9 Colors Available

(128)

AT3™ Mil Spec AR-15 Buffer Tube – 9 Colors Available

(35)

AT3™ Mil Spec End Plate for AR-15 – 9 Colors Available

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AT3™ Mil Spec Buffer Tube Kit For AR-15

(93)

AT3™ Mil Spec Buffer Tube Kit For AR-15 – 9 Colors Available

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(14)

AT3 Tactical AR-15 Heavy Buffers – H1, H2, and H3 Buffers

AT3 Tactical Carbine Buffer Spring for AR15

(19)

AT3™ Carbine Buffer Spring for AR-15

17-7 Stainless Steel Flatwire AR-15 Spring

(10)

AT3 Tactical Flat Wire AR-15 Buffer Spring

AT3 Tactical Carbine Buffer Weight for AR15

(14)

AT3™ Carbine Buffer (3.0 oz) for AR-15

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AT3™ Tactical H2 Buffer with Steel Body - 4.9 ounces

AT3™ Tactical Heavy H2 Buffer – Steel Body – 4.7 Ounces

AT3 Pro-Builder AR-15 Lower Build Kit

(2)

AT3™ Pro-Builder™ Black AR-15 Lower Build Kit

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Open Box Return -AT3™ Mil Spec AR-15 Buffer Tube – 9 Colors Available – Flat-dark-earth

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Open Box Return – AT3™ Castle Nut for AR-15 Buffer Tubes – 9 Colors Available – Black

(4)

AT3 AR-15 Lower Build Kit – Magpul Stock and Grip, AT3 Lower Parts Kit and Buffer Assembly

AR-15 mil-spec tubes, heavy buffers, flat wire springs, and more—AT3 Tactical offers complete kits designed for reliable performance and smooth cycling. Each component is built to meet high standards, ensuring durability and consistency in any AR-15 build. Ideal for upgrades or new projects, these kits provide everything needed for a dependable buffer system.