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Home Rifle Parts Receiver Parts Parts Kits Lower Parts Kits

Lower Parts Kits

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Lower Parts Kits - Products

1 - 20 of 61 results

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

CMMG

In stock

£22.90 *

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

ZRO DELTA AR-15 LPK NO TRIGGER GUARD OR GRIP
AR-15 LOWER PARTS KIT

ZRO DELTA

In stock

£69.90 * £69.90 - £79.90*

The kit features an Enhanced Longitudinal Grind (ELG) trigger for a smoother pull and reduced grittiness.
It is designed for AR-15 platforms and made by ZRO Delta.
The longitudinally-ground trigger is polished for an enhanced basis for trigger jobs.

4.1

ZRO DELTA AR-15 LOWER PARTS BUILDER KIT
AR-15 LOWER PARTS KIT

ZRO DELTA

In stock

£59.90 *

2.9

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

ALG DEFENSE

In stock

£144.90 * £139.90 - £144.90*

The kit includes a complete set of lower parts for an AR-15, featuring a Quality Mil-Spec (QMS) Trigger.
Components such as the bolt catch, mag release, safety detents, and takedown pins are included, with the option to get the kit with or without a grip.
ALG Defense is the manufacturer of the kit, ensuring compatibility with AR-15 platforms.

STRIKE INDUSTRIES AR-15 LOWER RECEIVER PIN KIT
AR-15 LOWER RECEIVER PIN KIT

STRIKE INDUSTRIES

In stock

£294.90 *

The Strike Industries AR-15 Lower Receiver Pin Kit includes essential pins and detents for assembling or repairing lower receivers.
This comprehensive kit contains 20 takedown pins, pivot pins, buffer retainer pins, bolt catch plungers, bolt catch roll pins, safety detents, and 40 trigger/hammer pins and takedown/pivot pin detents.
All components are durable, adhere to industry standards, and feature a matte black finish.

AERO PRECISION M5 LOWER PARTS KIT W/ MOE SL GRIP - FDE
AR .308 M5 LOWER PARTS KITS W/ MOE SL GRIP

AERO PRECISION

In stock

£159.90 *

The kit includes components for assembling an Aero Precision M5 Lower Receiver, specifically designed for AR .308 configurations.
It comes with a Magpul MOE SL® Grip available in Black or FDE, and buyers can choose between a mil-spec Fire Control Group or a MINUS FCG option.
The package contains M5 specific parts such as Takedown Pin, Pivot Pin, Bolt Catch, and an Extended Magazine Catch Button for a complete build.

AERO PRECISION AR-15 M4E1 LOWER PARTS KIT W/ MOE GRIP BLACK
AR-15 M4E1 LOWER PARTS KITS W/ MOE GRIP

AERO PRECISION

In stock

£139.90 *

The Aero Precision AR-15 M4E1 Lower Parts Kit includes a Magpul MOE Grip and is designed specifically for the M4E1 lower receiver.
This kit does not come with a trigger guard as it is integrated into the Aero M4E1 lower receiver.
The kit contains a comprehensive set of components necessary for assembling the lower part of an AR-15, excluding the trigger guard.

CMC TRIGGERS LOWER PARTS KIT
AR-15 LOWER PARTS KIT

CMC TRIGGERS

In stock

£59.90 *

The CMC Triggers AR-15 Lower Parts Kit is designed to complete a lower receiver without unnecessary components like the trigger and hammer.
All included parts meet or exceed military specifications, ensuring high-quality replacements or upgrades for your AR-15 build.
By excluding the trigger, hammer, and associated springs, the kit allows for customization and avoids the cost of unwanted mil-spec parts.

AERO PRECISION AR 308 M5 LOWER PARTS KIT NO FCG/ PISTOL GRIP
AR 308 M5 LOWER PARTS KIT NO FCG/ PISTOL GRIP

AERO PRECISION

In stock

£79.90 *

The Aero Precision AR 308 M5 Lower Parts Kit is designed for building M5 .308 AR lower receivers and excludes the fire-control group and pistol grip.
This kit is compatible with DPMS-pattern lowers, although the takedown and pivot pins will protrude more than usual.
The package includes essential components like takedown/pivot springs, pins, bolt catch assembly, safety selector parts, buffer retainer parts, and an extended magazine catch button.

AERO PRECISION M4E1 MOE LOWER PARTS KIT MINUS FCG - BLACK
M4E1 LOWER PARTS KITS W/ MOE GRIP, NO FCG PARTS

AERO PRECISION

In stock

£84.90 *

The kit includes an array of components for assembling an M4E1 Lower Receiver, notably featuring a Magpul MOE Grip, but excludes the fire control group (FCG).
It is specifically designed for the Aero Precision M4E1 Lower Receiver which has a built-in trigger guard, hence none is provided in the kit.
Available in Black or FDE, this kit is ideal for builders who prefer to select their own upgraded trigger.

AERO PRECISION AR 308 M5 LOWER PARTS KIT W/ MOE GRIP FDE
AR 308 M5 LOWER PARTS KITS W/ MOE GRIP

AERO PRECISION

In stock

£164.90 *

The kit includes a Magpul MOE grip, which is a popular upgrade over standard mil-spec furniture.
Aero Precision's AR 308 M5 Lower Parts Kit is designed for .308 AR builds and comes with all necessary components for the lower part assembly.
Available in Black or FDE, the kit provides builders with high-quality parts that enhance the functionality and aesthetics of their AR 308 M5.

CMC TRIGGERS LOWER PARTS KIT WITH TRIGGER SINGLE STAGE FLAT 3 LB
AR-15 LOWER PARTS KIT WITH TRIGGERS

CMC TRIGGERS

In stock

£329.90 * £329.90 - £349.90*

The CMC Triggers AR-15 Lower Parts Kit includes a high-quality Single-Stage 3.5-pound trigger and omits unnecessary mil-spec components for those who plan to use a CMC Trigger in their build.
Buyers have the option to select between curved or flat trigger bows according to their preference.
The kit comes with all the essential parts to complete an AR-15 lower receiver except for the grip, and all parts are designed to meet or exceed MIL SPEC standards.

LUTH-AR AR-15 LOWER PARTS KIT
AR-15 LOWER PARTS KIT

LUTH-AR

In stock

£129.90 *

The Luth-AR LLRPK-1 AR-15 Lower Receiver Parts Kit includes all necessary components to assemble a stripped lower receiver.
This parts kit features mil-spec AR-15 fire control parts and does not come as a drop-in module, requiring assembly.
The kit comes with a standard A2-type plastic pistol grip, with the option to upgrade to a variety of aftermarket grips available at Brownells.

AERO PRECISION AR-15 LOWER PARTS KIT W/ MOE GRIP - FDE
AR-15 LOWER PARTS KITS W/ MOE GRIP

AERO PRECISION

In stock

£154.90 *

The kit includes components for assembling an Aero Precision AR15 Gen 2 Lower Receiver or similar mil-spec lower receiver.
Options for the Magpul MOE® Grip and Trigger Guard are available in Black and FDE colors.
The lower parts kit comes with a full range of parts including the safety selector, magazine catch, bolt catch, and fire control group.

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

AERO PRECISION

In stock

£94.90 * £79.90 - £94.90*

The kit is designed for assembly of an AR15 Gen 2 Lower Receiver and includes Magpul MOE SL Grip and Trigger Guard.
Available in Black or FDE, the kit contains various components but does NOT include a fire control group.
Manufactured by Aero Precision, this product is part of their line of Lower Parts Kits featuring Magpul Grips.

ALG DEFENSE AR-15 LOWER PARTS KIT WITH GRIP W/ ACT TRIGGER
AR-15 LOWER PARTS KIT W/ ACT TRIGGER

ALG DEFENSE

In stock

£174.90 * £169.90 - £174.90*

The kit includes a complete set of AR-15 lower parts and an ACT trigger.
ALG Defense is the manufacturer of the kit, ensuring quality and compatibility.
Options are available to purchase the kit with or without the grip included.

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

STRIKE INDUSTRIES

In stock

£14.90 * £14.90 - £134.90*

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.

ARMASPEC STAINLESS LOWER PARTS KIT .223/5.56 BLACK
AR-15 STAINLESS LOWER PARTS KITS .223/5.56

ARMASPEC

In stock

£119.90 *

The Armaspec Stainless Lower Parts Kit is designed for AR-15 and AR .308 platforms, excluding a pistol grip and fire-control group to save costs.
Components are machined from stainless steel and include upgraded parts such as the SFT 45/90 safety selector.
Manufactured in the USA, this kit comes with a lifetime warranty from Armaspec.

CMMG LOWER PARTS KIT AR-15
AR-15 LOWER PARTS KIT

CMMG

In stock

£94.90 *

The kit contains all essential internal parts for completing or rebuilding an AR-15 lower receiver.
Parts are high-quality, designed to work together smoothly, and come in color-coded bags for easy assembly.
Includes a Mil-Spec trigger with a single-stage service rifle pull and a complete set of pins, springs, and detents.

AERO PRECISION M4E1 LOWER PARTS KIT W/ MOE SL GRIP - FDE
M4E1 LOWER PARTS KITS W/ MOE SL GRIP

AERO PRECISION

In stock

£139.90 *

The kit is designed for versatility and includes a Magpul MOE SL® Grip, available in either Black or FDE.
It contains all the necessary components to assemble an M4E1 Lower Receiver except for a trigger guard, which is integrated into the M4E1 Lower.
Options are available to purchase with a standard mil-spec Fire Control Group or without for those preferring to upgrade their trigger separately.

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