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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 LOWER PARTS BUILDER KIT
AR-15 LOWER PARTS KIT

ZRO DELTA

In stock

£39.90 *

2.9

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

ZRO DELTA

In stock

£54.90 *

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

AERO PRECISION EPC LOWER PARTS KIT WITH MOE GRIP FDE
EPC LOWER PARTS KIT WITH MOE GRIP

AERO PRECISION

In stock

£139.90 *

The kit includes proprietary parts pre-installed and AR15 compatible components for assembling an EPC Lower Receiver.
It comes with a Magpul MOE® grip and all necessary parts like springs, pins, catch, selector, and screws for assembly.
Manufactured by Aero Precision, this kit is designed specifically for the AR-15 platform.

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.

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.

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 * £149.90 - £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.

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

AERO PRECISION

In stock

£159.90 *

The Aero Precision M5 Lower Parts Kit includes Magpul MOE SL Grip and is designed for versatility, available in Black and FDE.
Kit options include either a standard mil-spec Fire Control Group or a MINUS FCG for those preferring to upgrade their trigger separately.
Specific components for the M5 (.308) platform are provided, such as M5 Takedown Pin, Pivot Pin, Bolt Catch, and Extended Magazine Catch Button.

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

ARMASPEC

In stock

£114.90 *

The Armaspec Stainless Steel Gun Builder’s Lower Parts Kit is designed for .223/5.56 AR-15 builds and excludes the trigger group and grip.
This kit includes high-quality Armaspec components such as the SFT 45/90 Safety Selector and Anti-Walk Pins, and comes with a lifetime warranty.
Note that this package is not a complete lower parts kit; items like the Pistol Grip, Trigger, and Trigger Guard are not included.

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.

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

AERO PRECISION

In stock

£164.90 *

The kit includes a Magpul MOE grip, popular among AR builders for its quality over standard mil-spec furniture.
Aero Precision's AR 308 M5 Lower Parts Kit comes with essential components for assembly, tailored for .308 AR builds.
It features a comprehensive set of parts, including pins, detents, springs, bolt catch assembly, magazine catch components, and a buffer retainer.

🛠️ Upgrade your AR-15 with the EGW EVOLVED AR Lower Parts Kit! Precision-machined for quality & corrosion resistance. 🇺🇸 Made in the USA. Learn more! 🔩🔧

EGW EVOLVED AR LOWER PARTS KIT
EVOLVED AR LOWER PARTS KIT

EGW

In stock

£144.90 *

The EVOLVED AR Lower Parts Kit by EGW is a high-quality, corrosion-resistant kit designed for building ARs, with most components machined from 4140 tool steel or 7075 T6 aluminum.
Components are locally heat-treated and coated with QPQ for durability, while springs are made of stainless steel to prevent rusting.
The kit includes essential parts like pivot pins, bolt catch, and mag catch, but excludes the trigger assembly, safety selector, and pistol grip components.

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

CMC TRIGGERS

In stock

£329.90 *

The CMC Triggers AR-15 Lower Parts Kit includes a Single-Stage 3.5-pound drop-in trigger and omits unnecessary mil-spec components for those already opting for a CMC trigger.
This kit provides essential parts for completing an AR-15 lower receiver except for the grip, which is not included and must be purchased separately.
All included parts, such as the safety, bolt catch, and takedown pins, meet or exceed MIL SPEC standards and come with a 100% CMC Triggers Product Warranty.

STRIKE INDUSTRIES AR ENHANCED LOWER RECEIVER PARTS KIT WITH TRIGGER
AR ENHANCED LOWER RECEIVER PARTS KIT

STRIKE INDUSTRIES

In stock

£99.90 * £84.90 - £99.90*

The kit is a comprehensive upgrade for AR15 builds, excluding the grip, featuring Strike Industries parts.
Includes a fire control group with a 4.5-5.5 lb trigger pull and enhanced smoothness for mil-spec AR15 triggers.
Features longitudinally ground and polished sear engagement surfaces for improved trigger feel without compromising safety or reliability.

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

CMMG

In stock

£94.90 * £94.90 - £114.90*

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 MOE SL LOWER PARTS KIT MINUS FCG - FDE
M4E1 LOWER PARTS KITS W/ MOE SL GRIP, NO FCG PARTS

AERO PRECISION

In stock

£79.90 *

The M4E1 Lower Parts Kit is designed for versatility and comes with a Magpul MOE SL® Grip, available in Black or FDE.
This kit is tailored for the Aero Precision M4E1 Lower Receiver and does not include a fire control group (FCG), making it suitable for those who plan to purchase an upgraded trigger separately.
It includes all necessary components for assembly except for the FCG, such as takedown pins, bolt catch, magazine catch, buffer retainer, safety selector, and associated springs, detents, and screws.

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

STRIKE INDUSTRIES

In stock

£89.90 *

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.

SONS OF LIBERTY GUN WORKS AR-15 BLASTER STARTER KIT LOWER PARTS KIT
AR-15 BLASTER GUTS LOWER PARTS KITS

SONS OF LIBERTY GUN WORKS

In stock

£74.90 * £74.90 - £189.90*

New

LUTH-AR AR-308 LOWER PARTS KIT - COMPLETE
AR-308 LOWER PARTS KIT

LUTH-AR

In stock

£134.90 * £69.90 - £134.90*

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

AERO PRECISION

In stock

£94.90 *

The kit includes components for assembling an Aero Precision AR15 Gen 2 Lower Receiver with Magpul MOE Grip and Trigger Guard, available in Black or FDE.
It comes without a fire control group, making it suitable for those who prefer to install an upgraded trigger separately.
The package contains a variety of essential parts, such as Takedown Pins, Bolt Catch, Magazine Catch, Safety Selector, and related springs and detents.

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