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Parts Kits - Products

1 - 20 of 93 results

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CMMG

CMMG AR-15 GUNBUILDER'S LOWER PARTS KIT
AR-15 LOWER GUNBUILDER'S LOWER PARTS KIT

The CMMG Lower Parts Gunbuilder's Kit is designed for completing an AR-15 lower receiver.
This kit excludes the trigger, grip, and trigger guard components.
Included parts are takedown pins, detents, springs, safety selector, magazine catch components, bolt catch assembly, and buffer retainer parts.

4.5

In stock

£59.90

CMMG

CMMG AR-15 LOWER PIN & SPRING KIT
AR-15/M16 LOWER SPRING KIT

The kit includes 17 essential pins and springs for AR-15 lower receiver assembly or replacement.
Components such as trigger and hammer springs, pins, detents, and safety selector parts are part of the kit.
Manufactured by CMMG, it is a convenient package for building or maintenance of AR-15 lowers.

3.3

In stock

£22.90

CMMG

CMMG AR15 PARTS KIT HD PIVOT & TAKEDOWN PINS
AR-15 PARTS KIT HD PIVOT & TAKEDOWN PINS

CMMG Pivot and Takedown Pins are designed for quick and easy disassembly of the AR-15.
These pins are enhanced with a divot and increased length compared to standard mil-spec AR-15 takedown pins.
The product is part of CMMG's line of AR-15 Parts Kits, aimed at improving the user experience.

In stock

£35.90 £35.90 - £39.90

AERO PRECISION

AERO PRECISION AR-15/M5 FIX-IT KIT
AR-15/.308 OOOPS KIT

The Aero Precision Ooops Kit provides essential replacement parts for AR-15, M4E1, and M5 builds.
Kit includes multiple detents, springs, pins, and a set screw to replace commonly lost components during assembly.
Contains 4 takedown pin detents and springs, 2 each of bolt catch roll pins, trigger/hammer pins, safety selector springs and detents, buffer retainers and springs, disconnector springs, and threaded roll pins.

Reordered

£27.90

BROWNELLS

BROWNELLS BRN-180 LOWER PARTS KIT
BRN-180 LOWER PARTS KIT

Brownells BRN-180 Lower Parts Kit is specifically assembled with top supplier components for AR-15 lower part replacements.
The kit includes essential items such as Magazine Release components, Bolt Catch, Trigger Assembly, Safety Selector, and Pistol Grip accessories.
Designed to eliminate the hassle of sourcing individual parts, ensuring compatibility and simplifying the building process.

In stock

£159.90

CMMG

CMMG 308 AR GUNBUILDER'S LOWER PARTS KIT
308 AR LOWER GUNBUILDER'S LOWER PARTS KIT

The kit includes specialized parts for the 308 platform, such as LR308 takedown and pivot pins, and an improved bolt catch.
It features a bolt catch screw instead of the traditional AR-15 pin, catering to the 308 AR builds.
The parts list is comprehensive, covering essential components from takedown pins to buffer retainer springs for building or repairing a .308 AR lower.

In stock

£69.90

LUTH-AR

LUTH-AR LOWER RECEIVER PARTS BUILDER KIT- AR15
AR-15 BUILDER KIT

The Luth-AR LLRPK-BLDR Lower Receiver Parts Builder Kit includes essential components to complete a stripped AR-15 lower, except for the trigger assembly, pistol grip, buttstock/buffer system, and triggerguard.
It contains standard AR-15 parts compatible with "mil-spec" lower receivers, which are common and should fit most available lowers without issue.
The kit is designed to provide convenience by offering all necessary small parts in one package, preventing the frustration of missing pieces during assembly.

In stock

£59.90

STRIKE INDUSTRIES

STRIKE INDUSTRIES AR 308 ENHANCED LOWER PARTS KIT W/O FCG
AR308 ENHANCED LOWER PARTS KIT, NO TRIGGER, HAMMER, DISCONNECTOR

The kit includes essential parts for building or upgrading an AR-10 lower receiver except for the trigger group, pistol grip, and trigger guard.
Features Strike Industries' signature enhanced parts like the bolt catch, magazine release, and HEX Selector Switch with 60/90 degree angles.
Compatible with AR-10, DPMS/LR308, SR-25 lower receivers and newer gen Aero Precision M5 lowers, but not with ArmaLite AR-10 or some billet lowers.

In stock

£89.90

AERO PRECISION

AERO PRECISION AR-15 MOE LOWER PARTS KIT MINUS FCG - BLACK
AR-15 MOE LOWER PARTS KITS W/O FIRE CONTROL GROUP

The kit is designed for Aero Precision AR15 Gen 2 Lower Receiver assembly and includes a Magpul MOE Grip and Trigger Guard.
It comes with various components except for the fire control group, making it suitable for those who prefer an upgraded trigger.
Available in Black or FDE, the kit is versatile and tailored for user customization.

In stock

£99.90

LUTH-AR

LUTH-AR AR-15 A3 UPPER RECEIVER PARTS KIT
AR-15 A3 UPPER RECEIVER PARTS KIT

3.7

In stock

£26.90

New

BROWNELLS

BROWNELLS M4 UPPER RECEIVER COMPLETION KIT
AR-15 UPPER RECEIVER COMPLETION KITS

In stock

£37.90 £37.90 - £124.90

CMMG

CMMG 22 ARC SPRING KIT
22 ARC SPRING KIT

In stock

£22.90

Upgrade your AR-15 with our complete Lower Parts Kit featuring a QMS Trigger. 🔧 Perfect for any build or upgrade!

ALG DEFENSE

ALG DEFENSE AR-15 LOWER PARTS KIT W/ QMS TRIGGER
AR-15 LOWER PARTS KIT W/ QMS TRIGGER

The kit includes a complete set of lower parts for an AR-15, featuring a QMS Trigger for enhanced performance.
ALG Defense manufactures the kit, ensuring quality and reliability for your firearm's lower receiver.
Options are available to purchase the kit with or without the grip to suit different user preferences.

In stock

£139.90 £139.90 - £144.90

Build your AR-15 with the KAK Industry Lower Parts Kit! 🛠️ Complete your lower receiver with high-quality, American-made components.

KAK INDUSTRY LLC.

KAK INDUSTRY LLC. AR-15 LOWER PARTS KIT NO GRIP OR TRIGGER GUARD BLACK
LOWER PARTS KIT FOR AR-15

In stock

£64.90 £45.90 - £74.90

DOUBLE STAR

DOUBLE STAR AR-15 LOWER PARTS KIT SMALL PIN
AR-15 LOWER PARTS KIT

The Double Star AR-15 Lower Parts Kit includes all necessary components to complete a stripped AR-15 lower receiver.
It is designed to fit small pin AR-15 lower receivers and is manufactured by DOUBLE STAR.
The kit contains various parts such as the fire control group, pins and springs, bolt catch assembly, and a pistol grip with its hardware.

4.2

In stock

£109.90

STRIKE INDUSTRIES

STRIKE INDUSTRIES AR LOWER RECEIVER SPRING KIT
AR-15/M16 LOWER RECEIVER GUNSMITH SPRING KIT

The kit includes 20 each of eight different types of springs for the AR-15 lower receiver.
It is ideal for department armorers, retail gun shops, or anyone involved in AR-15 assembly or repair.
The springs come in a clear plastic box with a snap lid and separate compartments for organization.

In stock

£14.90 £14.90 - £134.90

CMMG

CMMG AR15/M16 UPPER PINS & SPRINGS KIT
AR-15/M16 UPPER SMALL PARTS KIT

In stock

£26.90

AERO PRECISION

AERO PRECISION LOWER PARTS KIT W/MOE SL GRIP, NO FCG FOR AR-15 FDE
AR-15 MOE SL LOWER PARTS KITS W/O FIRE CONTROL GROUP

The kit includes components to assemble an AR15 Gen 2 Lower Receiver, excluding the fire control group.
It comes with Magpul MOE SL Grip and Trigger Guard, available in Black or FDE.
Manufactured by Aero Precision, this kit is designed for versatility and does not include a fire control group.

In stock

£94.90

Upgrade your AR-15 with the Geissele Ultra Duty Lower Parts Kit! 🛠️ High-grade stainless steel components for durability and performance.

GEISSELE AUTOMATICS

GEISSELE AUTOMATICS AR-15 ULTRA DUTY LOWER PARTS KIT BLACK
AR-15 ULTRA DUTY LOWER PARTS KITS

The Geissele Super Duty Lower Parts Kit is designed for building high-quality AR-15 lower receivers and includes a Geissele trigger group.
All components are machined from stainless steel in North Wales, PA, ensuring durability and corrosion resistance.
The kit features enhanced components like the Maritime Bolt Catch, Ambidextrous Super Configurable, and Ultra Precision Trigger Guard for improved usability.

In stock

£184.90 £184.90 - £189.90

BROWNELLS

BROWNELLS AR-15 ARMORER'S SMALL PARTS KIT
AR-15/M16 ARMORER'S SMALL PARTS KIT

The kit serves armorers and gunsmiths dealing with high volumes of AR-15 service, offering essential small components for both upper and lower receivers.
It is ideal for multiple AR-15 builds, part replacement, and as a contingency to ensure parts are available when needed.
The kit is comprehensive, including multiples of various small parts such as hammer, trigger, pins, springs, and more, specifically tailored for the AR-15.

In stock

£719.90

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