Price: $19.99 — In stock at 1 retailer.
M870 M4 Adapter The TAPP M870 M4 Adapter upgrades your reliable 3-shot pump-action M870 with M4 AEG magazine compatibility for faster reloads and expanded capacity—now 3D printed in Nylon PA12 with the option of upgrading to PA11 Carbon Fiber for superior strength, durability, and long-term performance. Designed and built in the USA, this pre-built, plug-and-play adapter integrates seamlessly with your M870 and other tri-shot platforms. Key Features: – M4 Magazine Compatibility: Adapt your M870 to use standard M4 AEG magazines for a major boost in ammo capacity and reload efficiency. – One-Piece Adapter Design: Engineered for smooth, reliable BB feeding and consistent performance under high-use conditions. – Versatile Fit: Works with the M870 and almost any tri-shot shotgun, making it a flexible upgrade across platforms. – Nylon PA12 with the option of upgrading to PA11 Carbon Fiber Construction: 3D printed in carbon fiber–reinforced Nylon PA11 for enhanced rigidity, impact resistance, heat stability, and longevity—lighter weight without sacrificing strength. What’s Included: – Fully Assembled Adapter: Ready to use out of the box with no modifications to your existing magazines. Proudly made in the USA. Backed by a 30-day warranty and lifetime technical support, with access to replacement parts (fees may apply). Compatibility: M870 and almost any tri-shot shotgun