Midwest MISTAP Stock Tube Adaptor – Picatinny

Description

The Midwest Industries MISTAP Stock Tube Adaptor installs a Mil‑Spec diameter stock tube to receivers that accept Picatinny rails. The adaptor provides six adjustable positions for length of pull and includes a hollow, water‑resistant internal compartment for storing small parts or batteries. Constructed from 6061 aluminum with a black hardcoat anodized finish. Designed and manufactured in the United States.

Key Specifications

• Fits receivers with Picatinny rail interfaces for attaching a collapsible AR‑15 style buttstock.
• Provides a 6‑position Mil‑Spec diameter tube for adjustable length of pull.
• Constructed from 6061 aluminum for strength and reduced weight.
• Finished with a black hardcoat anodized surface for corrosion resistance.
• Includes an internal compartment that is water resistant for storing small items or batteries.
• Overall length measures 6.750 inches as provided in manufacturer specifications.
• Weight is listed as 7.5 oz. in manufacturer specifications.
• Does not function as a buffer tube and is not intended for use in place of a proper buffer assembly.
• Not for use with firearms that have buffer assemblies, per manufacturer guidance.
• Made in the USA by Midwest Industries.

This adaptor provides a practical solution for mounting AR‑style collapsible stocks to platforms with Picatinny interfaces while preserving adjustability and onboard storage. Its durable 6061 aluminum construction and hardcoat anodized finish keep weight low and resist wear, and the integrated water‑resistant compartment adds utility without adding bulk. Whether you need a compact adjustable stock interface or convenient small‑item storage on a compatible platform, the MISTAP offers a straightforward, well‑built option from a recognized manufacturer.