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Lower Parts Kits

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Lower Parts Kits - Products

1 - 15 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

£59.90 *

2.9

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

ZRO DELTA

Reordered

£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

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.

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 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

£349.90 * £329.90 - £349.90*

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

£124.90 * £84.90 - £124.90*

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.

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

STRIKE INDUSTRIES

In stock

£134.90 * £14.90 - £134.90*

The kit includes a variety of springs necessary for AR-15 lower receiver maintenance, such as bolt catch, buffer retainer, trigger, hammer, disconnector, magazine catch, selector, and detent springs.
Each type of spring comes in a quantity of 20, making it suitable for department armorers, gun shops, or anyone dealing with multiple AR-15s.
It comes with a clear plastic tool box with a snap lid and separate compartments for organized storage of the different springs.

Upgrade your AR-15 with the BCMGUNFIGHTER™ Enhanced Lower Parts Kit 🔧🛠️. Get Mil-Spec quality, improved trigger assembly, and more. Shop now for precision! ✨

BRAVO COMPANY BCMGUNFIGHTER AR-15 ENHANCED LOWER PARTS KIT, BLK
AR-15 BCMGUNFIGHTER™ ENHANCED LOWER PARTS KITS

BRAVO COMPANY

In stock

£164.90 *

4.6

AERO PRECISION M4E1 MOE SL LOWER PARTS KIT MINUS FCG - BLACK
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 assembling an Aero Precision M4E1 Lower Receiver and comes with a Magpul MOE SL® Grip, but excludes a fire control group (FCG).
It includes various components such as takedown pins, bolt catch parts, magazine catch parts, buffer retainer parts, safety selector parts, and a set screw for the takedown pin detent hole.
The kit offers versatility with the option to buy without a mil-spec FCG, allowing for a future upgrade to a custom trigger.

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

£79.90 * £79.90 - £189.90*

AERO PRECISION AR-15 LOWER PARTS KIT NO FCG/ PISTOL GRIP/ TRIGGERGUARD
AR-15 LOWER PARTS KIT NO FCG/ PISTOL GRIP/ TRIGGERGUARD

AERO PRECISION

In stock

£59.90 *

The Aero Precision AR-15 Lower Parts Kit includes essential components to finish a lower receiver except the fire-control group, pistol grip, and trigger guard.
It provides a selection of mil-spec parts for AR builders who prefer to use their own custom trigger and pistol grip.
The kit contains takedown/pivot springs and detents, bolt catch parts, safety selector parts, buffer retainer parts, and magazine catch components.

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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