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Related Manuals for Gemtech SFN-57
Summary of Contents for Gemtech SFN-57
- Page 1 TM-SFN-57 OPERATION AND MAINTENANCE OF SOUND SUPPRESSOR MODEL SFN-57 and SAR-57 Before using this suppressor, be certain you have read and understand this manual. Manufactured by GEMTECH Div. of Gemini Technologies, Inc. P.O. Box 140618 Boise, Idaho 83714 ISSUED: October 16, 2013...
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Page 2: Trademark Notice
P.O. Box 140618 Boise, Idaho 83714 Phone: (208) 939-7222 TRADEMARK NOTICE: SFN-57™ is a trademark of Gemini Technologies, Inc. Five-Seven™ is a trademark of FNNH, SA COPYRIGHT NOTICE: ©2007 Gemini Technologies, Inc. All rights reserved. The contents of this publication may not be reproduced in any form or by any means in whole or in part without the prior written permission of the copyright owner. - Page 3 The manufacturer disclaims any liability for damages resulting from any unauthorized modification of this product. Any modification of this suppressor without prior express authorization from Gemtech’s Engineering Department will void all warranties, both written and implied, and will result in the assumption of all liability by the person performing the unauthorized modification.
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Page 4: General Information
All muzzle attachments, including suppressors, will change barrel har- monics and standing waves. This results in a slight change in point of impact with the device in place. The SFN-57 suppressor will have no deleterious effect on group size. This suppressor is effective in markedly reducing the sound of the muzzle blast, making it difficult for an observer to determine the origin of the shot and eliminating the need for shooter hearing protection. -
Page 5: Specifications
The Tracer ammunition, L191, is identified with a red marker. All three of these factory rounds are certified for use by FN in the P90 and all are suitable for use with the SFN-57 suppressor. - Page 6 Field experience has shown that the suppressor will outlast a number of barrels. The design of the SFN-57 suppressor is such that any liquid introduced in a cleaning pro- cess may not drain completely, and its presence will generate more sludge and residue within the suppressor than not cleaning.
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Page 7: Repair Policy
Gemtech reserves the right to make changes at any time and without notice, in prices, to change specification or design, to add or remove accessory materials, and to add or delete items without incurring any obligation. - Page 8 However, they do require a letter accompanying the weapon detailing the repairs required. We will require also a photocopy of the front of the owner’s Form 3, 4, or 5. All Gemtech products are 100% manufactured in the United States of America.