2 insert the magazine into the magazine well in the

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(2) Insert the magazine into the magazine well in the lower receiver, with magazine (1), Figure 2-8, tilted, (bullet tips upward). Insert the front of the magazine hook (2) to its hinge, located in the front of the magazine well (3). Then swing the rear of the magazine up until it locks into place by means of the rear catch (4). It should lock in with an audible click. Be aware that it is possible to insert the hook on the front of the magazine in the wrong space. Tug on the magazine to ensure that it is properly seated. 16
Figure 2-8. b. Unloading . Place the weapon on "safe". Press the magazine catch forward, towards the magazine, and remove the magazine. Pull the charging handle to the rear, which will eject and cartridge still chambered. One method of indicating the rifle has been cleared is to take an empty cartridge case, insert it halfway into the ejection port so that the neck is visible, and ease the bolt forward onto it. 10. IMMEDIATE ACTION PROCEDURES . Listed below is a table that will outline the malfunctions and the corrective measures to troubleshoot them. 17
11. WARNINGS AND CAUTIONS . 18
a. Warnings . (1) The rifle must not be fired without both the mid-lock and rear lock pins firmly in place. Serious injury and death may result. (2) The rifle must not be fired without the muzzle brake seated firmly in place on the barrel. Serious injury or death may result. (3) Never try to force a cartridge into chamber. If the bolt does not fully close, remove the magazine, clear the weapon, and check for obstructions but do not attempt to fire. Serious injury could result. (4) Double hearing protection should be worn when firing since harmful levels of noise are generated. (5) The bolt does not automatically remain to the rear when the rifle or magazine is empty. After the rifle is unloaded, and with the charging handle to the rear, always physically check the chamber for ammunition to preclude injury from an accidental discharge. (6) Eye protection should be worn during removal of the mainspring or mainspring buffer because serious injury could result if they are released improperly. (7) If the spring loaded cam is lifted too far the spring may loose tension. If this occurs, the weapon could malfunction, or it could allow the weapon to fire when unlocked, with the potential for serious injury. (8) Point bolt away from face and eyes while assembling and disassembling extractor. Injury may result if parts fly free. (9) Eye protection should be worn to prevent injury from spring loaded parts. Particularly when removing or replacing the magazine floor plate. (10) The .50 caliber Saboted Light Armor Piercing (SLAP) round is specifically prohibited from being fired in the SASR. Forcing it to chamber and fire may cause serious injury to personnel and damage to the rifle. b. Cautions . 19
(1) When assembling the upper and lower receivers, be sure the hook and bar are properly mated, or the rifle can be damaged by final assembly motion.

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