A3 Industries
A3 Industries MPA Defender Rear Stock Adapter
Aluminum rear adapter that gives a bare MPA Defender a mounting point for a brace or stock.
Quick Specs
- Price
- $68
- Weight
- 3.5 oz
- Brand
- A3 Industries
- Category
- stock
Features
- •Aluminum construction
- •Mounts to the MPA Defender rear
- •Adds a brace or stock mounting interface
- •SKU RSA040
- •$67.99
Capability Boosts
Recommended For
+12 more
Compatibility Tags
Overview
A bare MPA Defender has no rear mounting interface. A3 Industries' aluminum rear adapter bolts to the back of the receiver and gives you one, which is the prerequisite for running any brace or stock on the gun.
This matters more once a forced reset trigger is installed. A MAC-pattern gun fired one-handed with nothing behind it is difficult to keep on target at speed, and the whole point of a forced reset trigger is speed. Advanced Reset Technology says as much on their own product page: their A.R.T. system is intended for use with a brace-equipped configuration, where legally permitted, for control and consistency. The rear adapter is what makes that configuration possible.
Aluminum, $67.99, and one of the few MPA Defender parts that is stocked through a mainstream retailer rather than a boutique shop.
Key Features
- Aluminum rear stock adapter for the MPA Defender
- Provides the mounting interface a brace or stock requires
- Prerequisite for a braced Defender configuration
- SKU RSA040
- Stocked through mainstream retail, unlike most MAC-pattern parts
Pros
- +Unlocks brace and stock mounting on a platform that ships without a rear interface
- +Aluminum, not polymer
- +Readily available, which is rare for MAC-pattern parts
Cons
- −$67.99 buys only the adapter; the brace or stock is a separate purchase
- −Adding a stock to a pistol-configured Defender changes its legal classification; confirm your configuration before installing
Detailed Specifications
- Material
- Aluminum
- compatibility
- MasterPiece Arms Defender
- sku
- RSA040
- manufacturer
- A3 Industries
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Build Your Custom Configuration
Add the A3 Industries MPA Defender Rear Stock Adapter to your build and see how it enhances your platform.