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Buffer Tube Parts

Buffer Tubes

Buffer Tube Hardware

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Buffer Tube Parts - Products

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Sale

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

Sale

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.

Reordered

£6.72

£7.90

Sale

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

£67.92

£79.90

Sale

BRAVO COMPANY

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

Buffer Tube Hardware

In stock

£22.86

£26.90

Sale

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

Sale

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

£37.32

£43.90

Sale

AERO PRECISION

AERO PRECISION AR ENHANCED CARBINE BUFFER TUBE BLACK
AR ENHANCED CARBINE BUFFER TUBE

Buffer Tubes

The Aero Precision AR Enhanced Carbine Buffer Tube features Carrier Support Extensions to guide the bolt-carrier group, prevent carrier tilt, and minimize component wear.
Position Guide Drain Holes are included to remove water in wet conditions and allow air to escape during the buffer's compression cycle for improved reliability.
Designed with a ramped tube for easy installation of carbine buttstocks and guaranteed correct thread depth to prevent stock from sticking on exposed threads when collapsed.

In stock

£55.17 £59.90 - £64.90*

(Select Items on Sale!)

£64.90

Sale

PHASE 5 TACTICAL

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

Buffer Tube Hardware

In stock

£13.52

£15.90

Sale

LUTH-AR

LUTH-AR AR-15 MBA-3/MBA-4 CARBINE CASTLE NUT BLACK STEEL
AR-15 MBA-3/MBA-4 CARBINE CASTLE NUT

Buffer Tube Hardware

Reordered

£8.42

£9.90

Upgrade your AR-15 with the durable Black End Plate featuring 3 QD sling swivel sockets. Perfect for enhanced functionality! 🔧

FORWARD CONTROLS DESIGN

FORWARD CONTROLS DESIGN SLING ADAPTER END PLATE, BLACK
AR-15 END PLATE W/ 3-QD SLING SWIVEL SOCKETS STEEL

Buffer Tube Hardware | Tactical Sling Mounts

The ESF end plate is designed to accommodate rear-facing sockets and allows for the use of stackable castle nuts while letting the carbine stock fully collapse.
It features side and rear-facing QD sling swivel sockets with a billet 4140 steel construction, available in DLC Black or FDE Cerakote finishes.
Installation may require a 2 lug castle nut wrench due to the design potentially blocking access to wrench notches when using a conventional wrench.

In stock

£84.90 £84.90 - £94.90*

MIDWEST INDUSTRIES

MIDWEST INDUSTRIES PICATINNY STOCK TUBE ADAPTOR
PICATINNY STOCK TUBE ADAPTER

Buffer Tube Hardware

The Stock Tube Adaptor is designed for attaching a stock or arm brace to firearms with a picatinny rail, built from durable 6061 aluminum.
Features include a 6 position Mil-Spec diameter tube for adjustability and a waterproof storage compartment within its compact design.
It is 100% made in the U.S.A., hard coat anodized for durability, and comes with a lifetime warranty from Midwest Industries, Inc.

Reordered

£124.90

Sale

STRIKE INDUSTRIES

STRIKE INDUSTRIES AR RECEIVER ENHANCED CASTLE NUT WITH EXT QD ENDPLATE FDE
AR RECEIVER ENHANCED CASTLE NUT W/EXTENDED QD ENDPLATE

Buffer Tube Hardware

The Enhanced Castle Nut and Extended End plate combo from Strike Industries showcases innovation with its unique design and functionality.
Improved support and aesthetics are provided by the lengthened steel castle nut and the extended end plate that supports more of the receiver extension's threaded area.
The extended end plate features a Quick Detach sling swivel mount that is positioned to avoid pinching the user's hand during weapon manipulations in tight conditions.

In stock

£84.92 £94.90 - £99.90*

(Select Items on Sale!)

£99.90

Sale

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

£67.92

£79.90

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

£14.90

Sale

BROWNELLS

BROWNELLS BUFFER TUBE 2 POSITION MIL-SPEC ANODIZED GREY
AR-15/M16 BUFFER TUBE 2 POSITION MIL-SPEC RETRO

Buffer Tubes

The Brownells 2-Position Mil-Spec AR-15 Buffer Tube is designed for constructing retro-style AR-15 rifles, fitting classic models like the XM177E1 and GAU-5A/A.
It features a period-correct anodized grey finish and is made from 6160-T6 aluminum, ensuring authenticity and durability.
This buffer tube is compatible with mil-spec buttstocks and is aimed at AR builders seeking to recreate vintage AR-style rifles.

In stock

£40.71

£47.90

Sale

AERO PRECISION

AERO PRECISION MIL-SPEC CARBINE BUFFER KIT W/ H3 BUFFER FOR AR-15 BLACK
AR-15 CARBINE BUFFER KITS

Buffer Tubes

Aero Precision's AR-15 Carbine Buffer Kit helps reduce overgassing and wear on AR-style firearms, improving longevity and reducing felt recoil.
The kit includes a mil-spec buffer tube, buffer spring, end plate, and castle-lock nut, with buffer weight options to fine-tune the firearm's operating system.
Buffer weights available are standard, H (3 ounces), H2 (4 ounces), and H3 (5.6 ounces), allowing customization for different AR-15 configurations.

In stock

£118.92 £89.90 - £139.90*

(Select Items on Sale!)

£139.90

Sale

Upgrade your AR-15 with the Ultralight Multi-Function End Plate & Anti-Rotation Castle Nut. 🛠️ Lightweight, durable, and customizable!

STRIKE INDUSTRIES

STRIKE INDUSTRIES FDE MULTI-FUNCTION END PLATE W/ANTI-ROTATION CASTLE NUT BLCK
ULTRALIGHT MULTI-FUNTION END PLATE & ANTI-ROTATION CASTLE NUT

Buffer Tube Hardware

The Strike Industries Ultralight Multi-Function End Plate and Anti-Rotation Castle Nut are made from anodized 7075-T6 aluminum and are designed to securely update the AR's castle nut and endplate system without peening.
Features include a built-in anti-rotation QD socket and sling loops, a reversible end plate for sling loop orientation, and set screws for ease of installation and multiple uses.
Compatible with Mil-Spec AR-15 and AR-10 receivers, this hardware set also comes with Loctite® Threadlocker Blue 242® and a warning to regularly check the QD mount and sling loop for proper function and wear.

In stock

£46.67

£54.90

Sale

Upgrade your AR-15 with the SOLGW Intermediate Buffer Kit for the A5 system. 🚀 Includes everything for enhanced performance!

SONS OF LIBERTY GUN WORKS

SONS OF LIBERTY GUN WORKS INTERMEDIATE BUFFER KIT FOR THE A5 BUFFER SYSTEM
AR-15 INTERMEDIATE BUFFER KIT FOR A5 BUFFER SYSTEM

Buffer Tubes

In stock

£195.42

£229.90

Sale

LUTH-AR

LUTH-AR AR-15/308 6-POSITION MIL-SPEC CARBINE BUFFER TUBE
AR-15/308 6-POSITION MIL-SPEC CARBINE BUFFER TUBE

Buffer Tubes

In stock

£31.37

£36.90

Sale

Upgrade your AR-15 with the Phase 5 Sloped Quick Disconnect End Plate! 🇺🇸 Lightweight, durable, and QD swivel compatible for enhanced performance.

PHASE 5 TACTICAL

PHASE 5 TACTICAL AR-15 SLOPED QUICK DISCONNECT END PLATE
AR-15 SLOPED QUICK DISCONNECT END PLATE

Buffer Tube Hardware

The Phase 5 Sloped Quick Disconnect End Plate is designed to replace standard AR/M4 carbine end plates, offering compatibility with various receiver extensions and AR variants.
It features a pull force rating of 200 lbs and includes a QD mount angled at 30 degrees for easy attachment of QD swivels and slings.
Constructed from aluminum with a black finish, this American-made end plate integrates new technology for lightweight design while remaining compatible with industry standards.

In stock

£63.66

£74.90

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