mossberg 50298, 90298 User Guide

SAFETY EQUIPMENT

OWNER’S MANUAL

MOSSBERG

®

#50298 LINE LAUNCHER

AND

#90298 CONVERSION KIT

To be used with

500® 6-shot and 590® 9-shot models only .

This SAFETY EQUIPMENT is designed to be used by trained personnel.
Deviations from the procedures set forth in this Safety Equipment Owner’s
Manual or the shotgun Owner’s Manual can cause serious injury, damage to
this firearm or other personal property , or death.

You have a responsibility to obtain proper training on how to use and maintain
this line launcher and your firearm.

Do not attempt to assemble, load or use the line launcher until you thoroughly
read and understand the information contained in the shotgun Owner’s Manual
and the contents of this Safety Equipment Owner’s Manual.

Be certain the shotgun Owner’s Manual and this Safety Equipment Owner’s
Manual are available for reference and supplied with the Line Launcher if
transferred to another party .

®

The Line Launcher barrel is designed to fire Mossberg
only. Take extra precautions to ensure any other type of shotshells are stored
separately and not available for accidental use in the Line Launcher.

Line Launcher loads

If either manual is lost or misplaced, request a free replacement copy from:

O.F. Mossberg & Sons, Inc.

7 Grasso Ave., P.O. Box 497

North Haven, CT 06473

Phone: [phone]

e-mail: O.F. [e-mail]

IMPORTANT SAFETY WARNINGS – NOTE THE SYMBOL:

These safety warnings are for your protection as well as the safety of
others. Disregarding information in this manual may result in serious
injury , damage to this firearm or other personal property, or death.

Line Launcher components are designed for a specific application. Do
not, under any circumstances, attempt to alter or substitute the action,
barrel, shaft, magazine tube extender, projectile, line, blank load or
sequence of launch preparation. Any deviation may change combustion
pressures resulting in launcher damage and/or serious personal injury or
death if the launcher is fired.

A Carrying Case is included with the Line Launcher model and the Line Launcher Kit.
The Line Launcher model includes a Mossberg
the items pictured in Figure 1. The Line Launcher “kit” includes the items pictured in
Figure 1 which are compatible to 12 gauge Mossberg

®

590® 12 gauge shotgun action and

®

590® 9-shot, or 6-shot 500

models only.

590® Action (9-shot)

500® Action (6-shot)

®

#90540
(3) Shaft

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The Line Launcher is designed for 12 ga. Mossberg® 590® (9-shot capacity)
and 12 ga. 500

®

(6-shot capacity) models with a full stock only. Do not attempt
to modify any other model or brand name shotgun firearm for line launcher
use.

Preparing the Line Launcher Model and Kit

Inspect and ensure the manual safety button is fully rearward to
the “ON” (SAFE) position.Visually and physically inspect the
chamber, elevator and magazine tube to be sure the shotgun is
completely unloaded. Point the muzzle in a safe direction, and leave
the action open, with the forearm in its most rearward position.

“OFF” (FIRE) “ON” (SAFE)

The special Line Launcher barrel, with canister attached, must be the only barrel used
for line launching applications. Remove any other shotgun barrel if it is assembled to
the action. Follow disassembly instructions found in the shotgun Owner’s Manual.

®

Line Launcher

590

9-shot 590 Models have the proper length (19 1/2") magazine tube. A 19 1/2"
magazine tube exposed length is imperative to the Line Launcher function.

®

500

Line Launcher Kit

®

500

6-shot model magazine tubes require a “magazine tube extender.” After the
shotgun barrel has been removed, thread the 5 1/2" magazine tube extender to the
14" magazine tube, and hand tighten firmly. There should be no gap between the
magazine tube and the magazine tube extender.

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