Description
The Remington 870 Stock Adapter by TDI is a precision-engineered upgrade designed to replace the OEM buttstock of your Remington 870 shotgun. Whether you’re enhancing your firearm for tactical performance or personal customization, this adapter delivers a more modular, ergonomic, and mission-ready platform.
Built from aviation-grade aluminum and reinforced polymer, this adapter combines lightweight strength with long-lasting durability. Its integrated pistol grip provides superior control, recoil reduction, and shooting comfort—especially during high-pressure situations or extended use.
Moreover, the adapter supports AR15-style buffer tubes and compatible stocks, giving you near-limitless customization possibilities. With no gunsmithing required, installation is fast and straightforward, allowing you to transform your shotgun in just minutes.
Designed to meet military standards, the REM870BSA is built for professional reliability and everyday versatility. From tactical operators to recreational shooters, this upgrade is built to perform in any scenario.
Remington 870 Stock Adapter – Characteristics
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Tactical Ergonomic Design
The built-in pistol grip improves comfort and handling, especially during sustained or rapid fire scenarios. -
AR15 Stock Compatibility
Allows easy integration of AR-style buffer tubes and stocks for a fully customized shotgun setup. -
Tool-Free Installation
Installs quickly without the need for gunsmithing—just remove the OEM stock and mount the adapter. -
Durable Build Materials
Constructed from high-strength aviation aluminum and reinforced polymer for maximum reliability without added weight. -
Military-Grade Quality
Engineered to meet Mil-Standard durability for trusted performance in extreme environments. -
Color Variety
Available in Black, OD Green, and FDE to match your gear and style. -
Lightweight Construction
Weighs only 8.9 oz, preserving the shotgun’s balance and responsiveness. -
Lifetime Warranty
Backed by ORPAZ’s lifetime guarantee, ensuring confidence and long-term satisfaction.
How It Works
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Remove your Remington 870’s OEM buttstock.
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Attach the REM870BSA adapter in its place—no tools or gunsmith required.
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Add your preferred AR15-style buffer tube and compatible buttstock.
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Enjoy improved weapon control and modular flexibility with a tactical-ready setup.






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