Final Hours To Save Up To 40% | Shop Now

Final Hours To Save Up To 40% | Shop Now

AR-15 Buffer Tube Parts

Various sets and individual items that make up the receiver extension are all here on AT3.

The buffer tube, spring, buffer, castle nut, and the locking ring are all available for the milspec or the commercial variants.

Showing 1–24 of 175 results

List

Grid

Filter

Sort

LIST

Sale!

AT3 Tactical Carbine Buffer Weight for AR15

(15)

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

Sale!

AT3™ Mil Spec Buffer Tube Kit For AR-15

(93)

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

Sale!

(3)

UTG Pro Six Position Mil-spec AR-15 Buffer Tube Kit

Sale!

AT3 Tactical AR-15 Ultimate Cerakote Color Upgrade Kit - Flat Dark Earth

(10)

AT3 Tactical AR-15 Ultimate Cerakote Color Upgrade Kit

Sale!

(5)

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

Sale!

AT3 Pro-Builder AR-15 Lower Build Kit

(3)

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

AT3 Tactical Castle Nut for AR15

(103)

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

(158)

Armaspec Stealth Recoil Spring (SRS) for AR-15 and AR-10

(129)

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

(35)

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

DAILY DEAL

Magpul ASAP - Ambidextrous Sling Attachment Point - for AR-15 - MAG500-BLK

(12)

Magpul ASAP – Ambidextrous Sling Attachment Point – for AR-15 – MAG500-BLK

Ends Fri 10/16

Save 30%

DAILY DEAL

UTG Pro AR-15 Pistol Buffer Tube

Ends Fri 10/16

Save 25%

(28)

Armaspec Sound Mitigation Buffer (SMB) Captured Gen 3 – Multiple Buffer Weights Available

Sylvan Arms Gen 5 AR-15 Folding Stock Adapter

(6)

Sylvan Arms Gen 5 AR-15 Folding Stock Adapter

NEW

Aero Precision AR-15 Carbine Buffer – 3 oz – Mil-Spec

RECOMMENDED

(14)

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

RECOMMENDED

Odin Works Adjustable AR-15 Buffer Weight - Heavy - AT3 Tactical

(13)

Odin Works Adjustable AR-15 Buffer Weight – Heavy

NEW

B5 Systems Sierra K Receiver Extension Kit – AR-15 – 5-Position – 3.5 oz Buffer

NEW

CMMG Ambidextrous Single-Point Sling Receiver End Plate – AR-15 / LR-308

Geissele Super 42 Braided Wire Buffer & Spring Combo, H2

(13)

Geissele Super 42 Braided Wire Buffer & Spring Combo, H2

(5)

Midwest Industries Side Folding Picatinny Stock Adapter with Stock Tube

NEW

Ruger AR-15 Buffer Tube Kit with M4 Stock – Carbine Buffer – Black

NEW

Ruger AR-15 Buffer Tube Kit – Carbine Buffer – Black

(22)

Timber Creek Outdoors QD End Plate – QD-EP for AR-15