Brownells - Rem 11-87/1100 Barrel Seal & Piston Seal Assem.

Published on July 2, 2008
Duration: 3:19

This video details the diagnosis and replacement of worn barrel and piston seals in Remington 1100 and 11-87 shotguns, which often cause cycling issues. It emphasizes thorough cleaning of carbon buildup before installing new parts and provides a practical tip for protecting the new Teflon O-ring during installation using masking tape. Proper reassembly and function checks are crucial for ensuring reliable operation.

Quick Summary

Poor cycling in Remington 1100/11-87 shotguns is often caused by worn barrel seals (synthetic Teflon O-rings) or piston seal assemblies. These components are vital for preventing gas leaks, ensuring sufficient pressure remains to operate the firearm's action. Clean carbon buildup thoroughly before installing new parts.

Chapters

  1. 00:00Intro: Cycling Issues & Seal Diagnosis
  2. 00:58Disassembly and Safety Procedures
  3. 01:24Removing Old Seals & Cleaning
  4. 01:48Installing New Piston & Barrel Seals
  5. 02:31Reassembly and Function Check

Frequently Asked Questions

What causes poor cycling in Remington 1100 and 11-87 shotguns?

Poor cycling in Remington 1100 and 11-87 shotguns is often caused by worn barrel seals (synthetic Teflon O-rings) or piston seal assemblies. These components are vital for preventing gas leaks, ensuring sufficient pressure remains to operate the firearm's action.

How do I properly install a new piston seal assembly on a Remington 1100/11-87?

When installing the new piston seal assembly, ensure the flat side of the large ring faces the receiver. It's also recommended to use masking tape over the magazine tube threads to protect the new Teflon O-ring (barrel seal) from damage during the process.

Why is cleaning carbon buildup important when replacing seals?

Cleaning carbon buildup from the magazine tube before installing new barrel and piston seals is critical. This ensures the new parts seat correctly, function optimally, and have an extended operating life, preventing premature wear or failure.

What is the barrel seal on a Remington 1100/11-87?

The barrel seal on a Remington 1100 or 11-87 shotgun is typically a synthetic Teflon O-ring located on the magazine tube. Its primary function is to prevent gas from escaping the gas system, maintaining the necessary pressure to cycle the action.

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