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Buffer Tube Parts

Buffer Tubes

Buffer Tube Hardware

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Buffer Tube Parts - Products

1 - 20 of 118 results

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Offer

Secure your AR-15 with the Mil-Spec Castle Nut! 🛠️ Easy to install, it ensures reliable operation and improved accuracy for your rifle.

GERMAN TACTICAL SYSTEMS

AR-15 Mil-Spec Castle Nut
AR-15 Castle Nut

Buffer Tube Hardware

The AR-15 Mil-Spec Castle Nut is crucial for securing the buffer tube to the AR-15 lower receiver.
It is compatible with most standard AR-15 stocks, facilitating easy installation.
Ensures a stable platform for the buffer and spring, contributing to reliable operation and improved accuracy.

In stock

£7.56

£8.90

Offer

Upgrade your AR-15 with our Mil-Spec Carbine Buffer Tube! 💪 Lightweight 6061-T6 aluminum ensures durability and comfort for every shooter.

GERMAN TACTICAL SYSTEMS

Carbine Buffer Tube AR-15 Mil-Spec
Carbine Buffer Tube

Buffer Tubes

Made from 6061-T6 aluminum, the Buffer Tube is both lightweight and durable.
Compatible with mil-spec carbine stocks and features six notches for adjustable length-of-pull.
Designed for AR-15/AR-10 platforms, suitable for competitive shooters, tactical professionals, and firearm enthusiasts.

In stock

£22.02

£25.90

Offer

BRAVO COMPANY

BRAVO COMPANY AR-15/M16 BCMGUNFIGHTER QD END PLATE
AR-15/M16 QUICK DETACH RECEIVER END PLATE

Buffer Tube Hardware

In stock

£21.52

£26.90

Offer

BROWNELLS

BROWNELLS M4 MIL-SPEC BUFFER TUBE ASSEMBLY
AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY

Buffer Tubes

The assembly includes a Mil-Spec buffer tube, lock plate, castle nut, carbine buffer, and buffer spring suitable for AR-15/M16/M4.
Constructed with a Mil-Spec diameter 6061 aluminum buffer tube and a 3 oz carbine buffer.
Features a 17-7 stainless steel carbine buffer spring and is designed to fit standard AR-15/M16 lower receivers.

4.7

In stock

£63.66

£74.90

Offer

SONS OF LIBERTY GUN WORKS

SONS OF LIBERTY GUN WORKS CASTLE NUT FOR AR-15
AR-15 CASTLE NUT

Buffer Tube Hardware

In stock

£15.12

£18.90

Offer

CMMG

CMMG AR-15 MK4 RECEIVER END PLATE
AR-15 MK4 RECEIVER END PLATE

Buffer Tube Hardware

In stock

£10.43

£14.90

Offer

BROWNELLS

BROWNELLS CAR-15 RECEIVER END PLATE
AR-15/M16 RECEIVER END PLATE

Buffer Tube Hardware

M4-style receiver plate includes an engagement tab for proper alignment with AR-15 carbine models.
Manufactured using a precision fineblanking process to ensure sharp edges and optimal flatness for a solid installation.
Constructed from steel with a black oxide finish for durability and compatibility with AR-15 components.

In stock

£14.17

£18.90

Offer

Upgrade your AR-15 with our MIL-SPEC Buffer Tube Assembly 🔧. Includes everything needed for a secure stock mount. Durable and reliable!

BRAVO COMPANY

BRAVO COMPANY AR-15/M16/M4 STOCK HARDWEAR MOUNTING KIT, MIL-SPEC
AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY

Buffer Tubes

The kit is compatible with Mil-Spec stocks and includes all necessary components for mounting a stock assembly to a lower receiver.
Features a six-position buffer tube made from 7075 T6 aluminum with a Type III hardcoat anodized finish, and a heat-treated, high carbon steel castle nut with a phosphate finish for durability.
Comes with a standard 3 oz. carbine buffer and a high-tensile steel carbine action spring.

4.3

In stock

£69.91

£79.90

Offer

BROWNELLS

BROWNELLS AR-15/M16 MIL-SPEC BUFFER TUBE 6 POSITION
AR-15/M16 MIL-SPEC BUFFER TUBE 6 POSITION

Buffer Tubes

The buffer tube is designed with a 1.148" outside diameter for proper fit of adjustable mil-spec carbine stocks.
It allows for the conversion of a rifle with a fixed A2 style stock to an adjustable M4 stock, or can be used in custom builds.
Constructed from 7075 aluminum with a hardcoat anodized finish, it features six notches to secure the stock locking pin.

In stock

£32.93

£43.90

Offer

PHASE 5 TACTICAL

PHASE 5 TACTICAL AR15 PISTOL BUFFER TUBE COVER
AR-15/M16 PISTOL BUFFER TUBE FOAM COVER

Buffer Tube Hardware

In stock

£11.14

£15.90

Offer

BROWNELLS

BROWNELLS AR-15 RIFLE RECEIVER EXTENSION
AR-15 RIFLE RECEIVER EXTENSION TUBE

Buffer Tubes

The Brownells AR-15 Rifle Length Buffer Tube is precision machined from 7075 aluminum for quality assurance.
It features a matte black hardcoat anodized finish for durability and compatibility with AR-15 and M16 lower receivers and rifle length buttstocks.
The buffer tube has a length of 9 5/8” and a diameter of 1.110”, ensuring it meets standard specifications for AR-15 builds.

3.7

In stock

£59.92

£74.90

Offer

AERO PRECISION

AERO PRECISION AR ENHANCED CARBINE BUFFER TUBE KODIAK BROWN
AR ENHANCED CARBINE BUFFER TUBE

Buffer Tubes

The Aero Precision AR Enhanced Carbine Buffer Tube includes Carrier Support Extensions to guide the bolt-carrier group, prevent carrier tilt, and reduce wear on components.
Position Guide Drain Holes are designed to remove water in wet conditions and allow air to escape during the compression cycle for improved reliability.
Features a ramped tube design for easy installation of carbine buttstocks and guarantees correct thread depth to prevent stock from sticking on exposed threads when collapsed.

In stock

£47.92 £59.90 - £64.90

(Select Items on Sale!)

£59.90

Offer

STRIKE INDUSTRIES

STRIKE INDUSTRIES AR CARBINE LENGTH PISTOL RECEIVER BUFFER TUBE BLACK
AR CARBINE LENGTH PISTOL RECEIVER EXTENSION BUFFER TUBE

Buffer Tubes

The Strike Industries Carbine length Pistol receiver extension is crafted from 7075-T6 aluminum for superior strength compared to standard 6061 tubes.
Designed with a supported, anti-rotation buffer retaining plunger, it also includes a machined sling swivel for efficient "push-pull" operation.
It is available in a Slick Version with a smooth profile for mounting various pistol braces and a Rail Version with an integrated picatinny rail for additional support or storage options.

In stock

£63.92

£79.90

Offer

SCHMEISSER

SCHMEISSER Multi Wire Spring

Buffer Tube Parts

Improves function and shooting performance in all AR15 models with reduced noise and extended buffer tube life.
The multi-wire spring design minimizes recoil and enhances bolt movement, ensuring smoother operation with various types of ammunition.
Increases rifle reliability through a redundant spring wire system akin to that of the MG3, providing mutual support among the wires.

In stock

£36.47

£42.90

Offer

Discover the MDT Castle Nut in sleek black aluminum. Perfect for securing your Carbine Buffer Tube! 🔩 Upgrade your setup today!

MDT

MDT Castle Nut, Black
MDT Castle Nut

Buffer Tube Hardware

In stock

£12.66

£14.90

Offer

SPIKES TACTICAL

SPIKES TACTICAL BILLET RIFLE STOCK SPACER
AR-15/M16 BUFFER SPACER

Buffer Tube Hardware

Enables the use of carbine buffers and springs in rifle length buffer tubes without needing to buy new components.
Easy to install and remove with no gunsmithing required, featuring a machined aluminum billet construction with a black anodized finish.
Compatible with AR-15 A1/A2 buffer tubes and adorned with the Spike's Tactical spider logo for authenticity.

In stock

£35.17

£46.90

Offer

V SEVEN WEAPON SYSTEMS

V SEVEN WEAPON SYSTEMS AR-15 QD ENDPLATE TI RAW
AR-15 QD ENDPLATE TITANIUM

Buffer Tube Hardware

In stock

£41.17 £54.90 - £74.90

(Select Items on Sale!)

£54.90

Offer

Upgrade your AR-15 with the Titanium QD Endplate & Castle Nut Combo! ✨ Durable and lightweight for superior performance.

V SEVEN WEAPON SYSTEMS

V SEVEN WEAPON SYSTEMS AR-15 QD ENDPLATE & CASTLE NUT COMBO TI RAW
AR-15 QD ENDPLATE & CASTLE NUT COMBO TITANIUM

Buffer Tube Hardware

In stock

£95.92 £119.90 - £139.90

(Select Items on Sale!)

£119.90

Offer

Upgrade your AR-15 with the ECHO ZULU Castle Nut Kit! 🔧 Enjoy faster, consistent staking with premium materials and precision engineering.

TANGO UNIFORM

TANGO UNIFORM ECHO ZULU CASTLE NUT KIT
ECHO ZULU CASTLE NUT KIT

Buffer Tube Hardware

The Echo Zulu Castle Nut Kit includes an EZ castle nut, a bi-directional staking guide, and a straight-wall staking punch, designed for quick and consistent staking of AR's castle nuts.
The EZ castle nut is precision machined from 4140 PH alloy steel with a black nitride finish and features eight co-linear wrench & staking notches for better alignment and multiple staking locations.
The staking punch is made from 17-4 stainless steel with a black nitride finish and a 4mm shank, designed to work with the staking guide for strong, consistent staking without damaging components.

In stock

£31.37

£36.90

Offer

CMMG

CMMG AR-15 MK3 BUFFER ASSEMBLY
AR-15 MK3 BUFFER ASSEMBLY

Buffer Tubes

In stock

£26.32

£32.90

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