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

Rifle Parts Stock Parts Rifle Stocks A3 INDUSTRIES TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE RIFLE UPPER RECEIVER Support

The TRIAD BULLPUP CHASSIS features a robust 6061 aluminum housing, ambidextrous controls, and a lightweight design, enhancing your Foxtrot Mike rifle's performance.
New

A3 INDUSTRIES TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE RIFLE UPPER RECEIVER

810151870960 430108949

Restrictions

  • Is a 'Call to order' product.

Attributes

  • Colour: 
    Black
  • Material: 
    Aluminum
  • Style: 
    Bullpup
  • Weapon type: 
    AR-15
  • Weight: 
    1.688 lbs
  • Delivery weight: 1.446kg
  • Shipping height: 89mm
  • Shipping width: 267mm
  • Shipping length: 635mm
  • UPC: 810151870960

Item details

Made in USA
US export classification: 0A501.c
  • Specifications:
  • Color: Black
  • Make: AR-15
  • Material: Aluminum
  • Style: Bullpup
  • Weight: 1.688 lbs
949.9 949.9 1 GBP
New
949.9 GBP £949.90

Prices inclusive of duty & VAT.

Product no.: 430108949

Mfr. No.: R-MBC-FM-0

810151870960 TRIAD BULLPUP CHASSIS for FOXTROT MIKES UPPER RECEIVER RIFLE FEATURES: 6061 aluminum front trigger housing/receiver 17-4 stainless MIM front trigger with QPQ coating 4140 steel Anti-walk trigger pins x 3 A3 Tactical ambi selector with detent spring and detent 17-4 stainless front trigger linkage with QPQ coating 7075 aluminum transfer bar and rear linkage, bushed with 841 oil-embedded bronze bushings Acetal Delrin guide and trigger actuator 30% fiber-reinforced injection-molded Zytel polymer main chassis housing 4140 steel and 7075 aluminum threaded chassis inserts 6061 rear threaded buffer adapter 6061 rear butt-plate (rifle chassis only) 30% fiber-reinforced injection molded 1.50"""" extended butt-plate (rifle only) Injection-molded elastomer butt-pad and cheek rest (rifle only) 4140 quick-disconnect (QD) sockets x 3 4140 quick-disconnect (QD) sockets x 2 (Rifle) 4140 steel mag release 7075 extended right-side mag release button 7075 left-side mag release lever Injection-molded Zytel polymer front trigger housing cap, 30% fiber-reinforced injection-molded Zytel polymer rear butt-plate support Injection-molded Zytel polymer rear cap w/4140 quick-disconnect sling socket (pistol only) 4140 ball detent takedown pins x 3 A3T XENO-patterned reduced angle polymer grip - 30% fiber-reinforced Zytel Rise Armament RAVE 140 drop-in trigger This is not a lower Receiver. It is a Chassis. A Lower Receiver is needed
Not available
Be the first to rate this product

Not available.

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.
  • Durable 6061 aluminum construction
  • Ambidextrous A3 Tactical selector
  • Enhanced polymer grip design
Wish List Ask question
order by phone
949.9 949.9 1 GBP
Description Specification Customers reviews Accessories

A3 INDUSTRIES TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE RIFLE UPPER RECEIVER

New
949.9 GBP £949.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.
Requires order by phone

Description:

Elevate your shooting experience with the TRIAD BULLPUP CHASSIS!

The TRIAD BULLPUP CHASSIS for FOXTROT MIKE'S UPPER RECEIVER RIFLE is designed to enhance the performance and versatility of your firearm. Manufactured by A3 INDUSTRIES, this chassis boasts a range of high-quality features that make it an essential upgrade for any serious shooter.

Key Features:

  • 6061 aluminum front trigger housing/receiver
  • 17-4 stainless MIM front trigger with QPQ coating
  • 4140 steel Anti-walk trigger pins x 3
  • A3 Tactical ambi selector with detent spring and detent
  • 17-4 stainless front trigger linkage with QPQ coating
  • 7075 aluminum transfer bar and rear linkage, bushed with 841 oil-embedded bronze bushings
  • Acetal Delrin guide and trigger actuator
  • 30% fiber-reinforced injection-molded Zytel polymer main chassis housing
  • 4140 steel and 7075 aluminum threaded chassis inserts
  • 6061 rear threaded buffer adapter
  • 6061 rear butt-plate (rifle chassis only)
  • 30% fiber-reinforced injection molded 1.50" extended butt-plate (rifle only)
  • Injection-molded elastomer butt-pad and cheek rest (rifle only)
  • 4140 quick-disconnect (QD) sockets x 3
  • 4140 quick-disconnect (QD) sockets x 2 (Rifle)
  • 4140 steel mag release
  • 7075 extended right-side mag release button
  • 7075 left-side mag release lever
  • Injection-molded Zytel polymer front trigger housing cap
  • 30% fiber-reinforced injection-molded Zytel polymer rear butt-plate support
  • Injection-molded Zytel polymer rear cap w/4140 quick-disconnect sling socket (pistol only)
  • 4140 ball detent takedown pins x 3
  • A3T XENO-patterned reduced angle polymer grip - 30% fiber-reinforced Zytel
  • Rise Armament RAVE 140 drop-in trigger

Please note: This is not a lower receiver; it is a chassis. A lower receiver is needed for assembly.



Restrictions

  • Is a 'Call to order' product.

Attributes

  • Colour: 
    Black
  • Material: 
    Aluminum
  • Style: 
    Bullpup
  • Weapon type: 
    AR-15
  • Weight: 
    1.688 lbs
  • Delivery weight: 1.446kg
  • Shipping height: 89mm
  • Shipping width: 267mm
  • Shipping length: 635mm
  • UPC: 810151870960

Item details

Made in USA
US export classification: 0A501.c

Customers reviews

Customer ratings (0)

0 / 5

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