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AR15 & M4 Rifle Buffer Tube Kits

Your AR15 or M4 buffer tube is a key component of your rifle that helps improve recoil, accuracy, durability and comfort while firing. Depending on your build, you may want to make modifications to help improve various aspects of your rifle buffer tube. ESADarms stocks a wide range of rifle buffer tube kits and parts for AR15s and M4s. Shop replacement parts and kits from manufacturers such as Anderson and Leapers today!

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Anderson Milspec End Plate
Anderson Milspec End Plate
Our Price: $3.00
In Stock

Anderson Standard Milspec End Plate.
Anderson Milspec Carbine Castle Nut
Anderson Milspec Carbine Castle Nut
Our Price: $5.00
In Stock

Anderson Manufacturing Milspec carbine castle nut for AR-15.
Anderson - Carbine Length Buffer Spring
Anderson - Carbine Length Buffer Spring
List Price: $9.00
Our Price: $6.00
Savings: $3.00
In Stock

Anderson Manufacturing Carbine length buffer spring for the AR-15.
Anderson Rifle Buffer Spring
Anderson Rifle Buffer Spring
Our Price: $6.00
In Stock

Rifle length standard buffer spring.

Ambi Single Point Sling Adapter End Plate
Ambi Single Point Sling Adapter End Plate
List Price: $15.00
Our Price: $9.00
Savings: $6.00
In Stock

  • Steel
  • Ambidextrous
  • Allows QD Use of One Point Sling
  • Anderson Manufacturing AR-15 Receiver Extension - MIL-SPEC Carbine
    Anderson Manufacturing AR-15 Receiver Extension - MIL-SPEC Carbine
    List Price: $19.99
    Our Price: $17.00
    Savings: $2.99
    In Stock

    Mil spec buffer tube, carbine length, 6 position; made from 7075 T6 aluminum, hard anodized black finish.
    Leapers UTG PRO Mil-spec 6 Position Receiver Extension Tube Kit-BLK
    Leapers UTG PRO Mil-spec 6 Position Receiver Extension Tube Kit-BLK
    List Price: $42.00
    Our Price: $35.00
    Savings: $7.00
    In Stock

    BrandLeapers / UTG
    FinishHardcoat Anodized
    Manufacturer.Leapers UTG
    Material6061-T6 Aluminum
    PlatformAR-15
    Position6
    Receiver ExtensionMil-Spec - 1.14

    Aero Precision AR-15 Carbine Buffer Kit - MIL-SPEC
    Aero Precision AR-15 Carbine Buffer Kit - MIL-SPEC
    List Price: $49.99
    Our Price: $45.00
    Savings: $4.99
    (Out of Stock)

    • The Aero Precision AR-15 Carbine Buffer Kit includes a MIL-SPEC diameter, 6-position receiver extension machined from 7075-T6 aluminum. A standard carbine recoil buffer, spring, end plate and castle nut are also included.

      NOTE: Buttstock not included.