13.   Why should the selector be on SAFE during assembly and disassembly? 1.   To prevent damage to the automatic sear 2.   To prevent damage to the firing pin 3.   To prevent the barrel from releasing 4.   To prevent the rear slide from disengaging 14.   When the selection lever is in the burst position, the M16A1 rifle fires in what way? 1.   In short bursts of two rounds 2.   In short bursts of three rounds 3.   Four rounds each time the trigger is pulled 4.   Six rounds each time the trigger is pulled 15.   The M16A1 rifle is clear when which of the following conditions are met? 1.   No case or round is in the chamber and the magazine is out 2.   The bolt carrier is to the rear 3.   The selector lever is on the SAFE position 4.   All of the above 16.   When cleaning the barrel bore and chamber of the M16A1 rifle, you should not reverse the brush while in the bore for what reason? 1.   The barrel slide will be damaged 2.   The bore may jam 3.   The trigger pin will need to be replaced 4.   The bore cleaner will not work 17.   What parts of the barrel bore and chamber should you lubricate after you’ve finished cleaning them? 1.   The locking lugs 2.   The extractor ejector 3.   The lugs in the barrel extension 4.   The magazine springs 18.   When cleaning ammunition magazines, you need to make sure the magazine is dry for what reason? 1.   The magazine and ammunition can corrode and become dangerous to use 2.   The spring action will tighten up 3.   The ammunition will jam 4.   The magazine won’t load 19.   The .38-caliber revolver is best described by which of the following groups of characteristics? 1.   Cylinder-loading, single- or double-action, manually operated hand gun 2.   Semiautomatic, recoil-operated, magazine-fed hand gun 3.   Semiautomatic, cylinder-loading double-action hand gun 4.   Cylinder-loading, recoil-operated, manually operated hand gun 20.   The .45-caliber service pistol is best described by which of the following groups of characteristics? 1.   Cylinder-loading, single- or double-action, manually operated hand gun 2.   Semiautomatic, recoil-operated, magazine-fed hand gun 3.   Semiautomatic, cylinder-loading double-action hand gun 4.   Cylinder-loading, recoil-operated, manually operated hand gun 21.   The .45-caliber revolver has what maximum range and maximum effective range, respectively? 1.   1,800 yards, 75 yards 2.   1,500 yards, 50 yards 3.   1,450 yards, 45 yards 4.   1,250 yards, 30 yards 22.   The magazine capacity of the 9mm service pistol can hold how many rounds in the magazine? 1.    5 rounds 2.   10 rounds 3.   15 rounds 4.   20 rounds 23.   The 9mm service pistol is best described by which of the following groups of characteristics? 1.   Semiautomatic, recoil-operated, magazine-fed hand gun 2.   Semiautomatic, magazine-fed, recoil-operated, double-action pistol 3.   Semiautomatic, cylinder-loading double-action hand gun 4.   Semiautomatic, magazine-fed, single-action pistol 36