AR-15 Handbook. Erik Lawrence

Чтение книги онлайн.

СКАЧАТЬ

      

      AR-15 HANDBOOK

      AN OPERATIONAL GUIDE TO THE AR-15 RIFLE

      by

      Mike Pannone and Erik Lawrence

      AR-15 HANDBOOK

      By Mike Pannone and Erik Lawrence

      Copyright 2015 Erik Lawrence,

      All rights reserved.All rights reserved.

      Print ISBN-13: 978-0-9905131-6-2

      eBook ISBN-13: 978-1-941998-58-8

      No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by an information storage and retrieval system without permission in writing from the copyright holder. Exceptions to this include reviewers who may quote brief passages in a review to be printed in a magazine, newspaper, or on the Internet.

      ATTENTION US MILITARY UNITS, US GOVERNMENT AGENCIES AND PROFESSIONAL ORGANIZATIONS: Quantity discounts are available on bulk purchases of this book. Special books or book excerpts can also be created to fit specific needs. For information, please contact:

      Erik Lawrence

      21150 Barbour County Highway | Philippi, WV 26416

      [email protected]

      Although the author has made every effort to ensure the accuracy and completeness of information contained in this book, we assume no responsibility for the use or misuse of information contained in this book, errors, inaccuracies, omissions, or any inconsistency herein. Portions of this manual are excerpts from outside sources but have been validated and modified as necessary.

      WARNING, SAFETY, AND TRAINING

      WARNING

      Firearms are potentially dangerous and must be handled responsibly by individuals. The technical information presented in this publication on the use of the weapon system reflects the author’s research, beliefs, and experiences. The information in this book is presented for academic study only. Neither the author nor the publisher assumes any responsibility for the use or misuse of information contained in this book.

      SAFETY NOTICE

      Before starting an inspection, ensure the weapon is cleared. Do not manipulate the trigger until the weapon has been cleared of all ammunition. Inspect the chamber to ensure that it is empty and no ammunition is present. Keep the weapon oriented in a safe direction when loading and handling.

      TRAINING

      Training should be received from knowledgeable and experienced operators on this particular weapons system.

      ACKNOWLEDGEMENTS

      To all the American citizens who lawfully and responsibly exercise their 2nd Amendment rights under the U.S. Constitution. You are the world’s truest example of a free and vigilant people.

      “The bravest are surely those who have the clearest vision of what is before them, glory and danger alike, and yet notwithstanding, go out to meet it.”

      Thucydides, 471 B.C.

      CHAPTER 1

      RIFLE SPECIFICATIONS

      The AR-15 Carbine/Rifle is a .223 Remington/5.56x45mm lightweight air-cooled, gas-operated, magazine-fed, shoulder-fired rifle. The AR-15 fires from a closed bolt in semi-automatic mode while the military M4 variants are either semi-automatic, burst, or full-automatic.

      Figure 1-1 - AR-15A2 HBAR

      CALIBER: .223 Remington or 5.56X45mm NATO

      WEIGHT WITHOUT MAGAZINE: 8.5 pounds (2.94 kg)

      EMPTY 30-ROUND MAGAZINE: 0.25 pounds (0.11 kg)

      LOADED 30-ROUND MAGAZINE: 1 pound (0.45 kg)

      OVERALL LENGTH: 39 inches (1 meter)

      BARREL LENGTH: 20 inches (51 cm)

      BORE CHARACTERISTICS: Hard chrome-lined, 6 Lands, 1:9

      METHOD OF OPERATION: Gas-direct system; rotating bolt

      MUZZLE VELOCITY: 3,200 feet/second (975 meters/second)

      EFFECTIVE RANGE: 600 meters

      FRONT SIGHT: Adjustable front

      REAR SIGHT: M16A4 target-style sight adjustable for windage and elevation to 600 meters

      SIGHT RADIUS: 20 inches (51 cm)

      FIRE CONTROL SELECTION: Safe – Semi-automatic

      UPPER RECEIVER: Flat top with detachable carrying handle

      Figure 1-2 - AR-15A2/A3

      CALIBER: .223 Remington or 5.56X45mm NATO

      WEIGHT WITHOUT MAGAZINE: 7.0 pounds (3.2 kg)

      EMPTY 30-ROUND MAGAZINE: 0.25 pounds (0.11 kg)

      LOADED 30-ROUND MAGAZINE: 1 pound (0.45 kg)

      LENGTH: 29.8 inches to 33 inches (collapsed/extended)

      BARREL LENGTH: 16.1 inches (41 cm)

      BORE CHARACTERISTICS: Hard chrome-lined, 6 Lands

      METHOD OF OPERATION: Gas-direct system; rotating bolt

      MUZZLE VELOCITY: 2800 feet/second (884 meters/second)

      EFFECTIVE RANGE: 600 meters

      FRONT SIGHT: Adjustable front

      REAR SIGHT: Dual apertures (0-200m and 300-600) target-style sight adjustable for windage and elevation to 600 meters

      SIGHT RADIUS: 14.5 inches (37 cm)

      FIRE CONTROL SELECTION: Safe – Semi-automatic

      UPPER RECEIVER:

      A2 Model- Non-removable carrying handle

      A3 Model- Flat top with detachable carrying handle

      The barrel rifling twists vary from the original 1 turn in 12 inches (1/12) on the first AR-15 series guns shooting 55-grain bullets, to the current 1/7 or 1/9 twist on the M16A2/A4 service rifle and M4 Carbine. The faster twist is necessary to stabilize the longer and heavier SS109 62-grain bullet with steel penetrator used in СКАЧАТЬ