My Account (Sign in)
Your basket is empty.
0
Basket
contact us by phone Help and contact
Free standard delivery over £199
100-day return policy
My Account (Sign in)
Wish list
Your basket is empty. (0)
Basket
Newsletter Newsletter
Sale

Over 300,000 customers - we say thank you!

4.93/5 "Very good" (1400+ reviews)

40,000+ products for hunting and shooting sports

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

Upgrade your AR-15 with the complete ALG Defense Lower Parts Kit featuring the precision ACT Trigger, ensuring enhanced performance and reliability.

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

817953020852 100042564
Variations
Filters:
Variations:

Variations:

Upgrade your AR-15 with the complete ALG Defense Lower Parts Kit featuring the precision ACT Trigger, ensuring enhanced performance and reliability.
AR-15 LOWER PARTS KIT W/ ACT TRIGGER - AR-15 LOWER PARTS KIT WITH GRIP W/ ACT TRIGGER
179.9 GBP 0 £179.90 *
Backorderable
Make: AR-15 Product no.: 100042564
Backorderable
179.9 GBP 0 £179.90 *
Upgrade your AR-15 with the ALG Defense Lower Parts Kit featuring an ACT Trigger, ensuring reliability and performance with all essential components included.
AR-15 LOWER PARTS KIT W/ ACT TRIGGER
169.9 GBP 0 £169.90 *
Backorderable
Make: AR-15 Product no.: 100042563
Backorderable
169.9 GBP 0 £169.90 *
169.9 179.9 2 GBP
179.9 GBP £179.90

Prices inclusive of duty & VAT.

Product no.: 100042564

Mfr. No.: 16-004

817953020852 Complete Lower Parts Kit with ACT Trigger This kit comes with: Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring, Bolt Catch Roll Pin, Mag Release, Mag Release Button, Mag Release Spring, Buffer Retainer Spring, Safety, Buffer Retainer, Safety Detent Spring, Safety Detent, Trigger Guard, Trigger Guard Roll Pin, Takedown Detent Springs,Takedown Detents,Takedown Pins, ACT Trigger The kit can be purchased with or without the grip!
Backorderable
Be the first to rate this product
1
2
3
4
5
6
7
8
9
10+
£179.90

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+

Backorderable, delivery time approx. 4-12 weeks from the USA warehouse.

100-Day Return Policy

Backorderable, delivery time approx. 4-12 weeks from the USA warehouse.

100-Day Return Policy
No charges until we ship
No charge:
Your credit card will not be charged when you place your order.

No commitments:
You are under no obligation until the goods are shipped. You can cancel your order at any time before shipping - free of charge.

Not until shipping:
Your credit card will only be charged once we ship your order. Not before.
Wish List Ask question
169.9 179.9 2 GBP
Description Specification Customers reviews Accessories

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

179.9 GBP £179.90

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+
£179.90

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+

Backorderable, delivery time approx. 4-12 weeks from the USA warehouse.

100-Day Return Policy

Description:

Elevate your AR-15 build with our comprehensive Lower Parts Kit!

The ALG Defense AR-15 Lower Parts Kit with ACT Trigger is the perfect solution for assembling or upgrading your AR-15. This complete kit provides all the essential components needed to ensure your firearm operates smoothly and efficiently.

What's Included:

  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  • Mag Release
  • Mag Release Button
  • Mag Release Spring
  • Buffer Retainer Spring
  • Safety
  • Buffer Retainer
  • Safety Detent Spring
  • Safety Detent
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Takedown Detent Springs
  • Takedown Detents
  • Takedown Pins
  • ACT Trigger

This kit can be purchased with or without the grip, allowing you to customize your setup according to your preferences. Whether you are a seasoned gunsmith or a first-time builder, this kit is designed to meet your needs and enhance your shooting experience.



Top takeaways

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

Attributes

  • Weapon type: 
    AR-15
  • Delivery weight: 0.236kg
  • Shipping height: 32mm
  • Shipping width: 114mm
  • Shipping length: 146mm
  • UPC: 817953020852

Item details

Made in USA
US export classification: 0A501.c

Customers reviews

Customer ratings (0)

0 / 5

Variations:

Upgrade your AR-15 with the complete ALG Defense Lower Parts Kit featuring the precision ACT Trigger, ensuring enhanced performance and reliability.
AR-15 LOWER PARTS KIT W/ ACT TRIGGER - AR-15 LOWER PARTS KIT WITH GRIP W/ ACT TRIGGER
179.9 GBP 0 £179.90 *
Backorderable
Make: AR-15 Product no.: 100042564
Backorderable
179.9 GBP 0 £179.90 *
Upgrade your AR-15 with the ALG Defense Lower Parts Kit featuring an ACT Trigger, ensuring reliability and performance with all essential components included.
AR-15 LOWER PARTS KIT W/ ACT TRIGGER
169.9 GBP 0 £169.90 *
Backorderable
Make: AR-15 Product no.: 100042563
Backorderable
169.9 GBP 0 £169.90 *

Oops! Something went wrong.

We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.

Site Navigation
Product Categories
Ordering
Customer Service

Welcome!

to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.

Whether you're looking to maintain, repair, or upgrade, we've got what you need!

For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.

Massive Selection
From the essentials to the unique, find everything under one roof.

Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.

Browse our collection and discover why we're the trusted name in shooting sports & hunting.

Brownells Norge - Komplett utvalg av ladeutstyr, våpendeler, kuler, hylser, kikkerter, optikk og luftvåpen Brownells Österreich - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Switzerland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Deutschland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells France - Le plus grand fournisseur d'Accessoires pour le tir, Pièces détachées & Outils d'Armurier Brownells Iberica - El mayor proveedor de accesorios para el Tiro, Piezas y herramientas del armero. Brownells Sverige - Världens största leverantör av Vapendelar, Vapensmide Verktyg & Skyttetillbehör Brownells Suomi Brownells Italia - Il negozio del più grande rivenditore di componenti e accessori per armi da tiro, difesa e caccia Brownells Polska - Największy na świecie dostawca części broni, narzędzi rusznikarskich & akcesoriów strzeleckich Brownells Česko - Největší světový dodavatel součástí zbraní, střeleckého příslušenství a zbrojního nářadí
*
Prices inclusive of duty & VAT.

© 2025 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical viewClassical view Mobile viewMobile view
Back to top