3-43. An F/A-18 aircraft ammunition handling system can hold a maximum of how many rounds of ammunition? 1. 650 rounds 2. 578 rounds 3. 550 rounds 4. 525 rounds 3-44. What total number of bolts are used to attach an F/A-18 aircraft gun system to the aircraft? 1. 12 bolts 2. 8 bolts 3. 6 bolts 4. 4 bolts 3-45. The drum assembly in an F14 aircraft can hold a maximum of how many rounds of ammunition? 1. 576 rounds 2. 578 rounds 3. 600 rounds 4. 676 rounds 3-46. On an M61A1 gun system, the forward front track bolts must be torqued after what total number of rounds are fired? 1. 15,000 rounds 2. 20,000 rounds 3. 30,000 rounds 4. 35,000 rounds 3. 3-47. On an M61A1 gun system, the breech bolt assembly must be changed after what total number of rounds are f i r e d? 1. 20,000 rounds 2. 15,000 rounds 3. 10,000 rounds 4. 5,000 rounds 3-48. On an M61A1 gun system, scheduled maintenance begins after what prescribed number of rounds have been fired? 1. 5,000 rounds 2. 10,000 rounds 3. 15,000 rounds 4. 30,000 rounds 3-49. On an M61A1 gun system, the gun must be overhauled after what prescribed number of rounds have been fired? 1. 130,000 rounds 2. 120,000 rounds 3. 110,000 rounds 4. 100,000 rounds 3-50. 3-51. 3-52. 3-53. 3-54. 3-55. 3-56. 3-57. A complete M50 service cartridge consist of what total number of components? 1. Five 2. Two 3. Three 4. Four Which of the following cartridge cases is made of brass? 1. M55 2. M103 3. M105B 4. M122 Which of the following. cartridge cases is made of steel? 1. M101 2. M102 3. M103B1 4. M105B All projectiles have essentially the same configuration with the exception of which of the following p r o j e c t i l e s? 1. HE I 2. HPT PT 4. TP-T An M505A3 PD fuze has what prescribed delayed arming distance? 1. 5 to 10 ft 2. 10 to 15 ft 3. 20 to 35 ft 4. 25 to 40 ft An M505A3 consists of what total number of assemblies? 1. Five 2. Two 3. Three 4. Four A tracer is visible for approximately how many yards of p r o j e c t i l e  f l i g h t? 1. 1,280 yd 2. 1,500 yd 3. 2,000 yd 4. 5,000 yd An M51A1B1/M51A2 cartridge contains approximately how many grains of inert material? 1. 650 grains 2. 635 grains 3. 550 grains 4. 250 grains 13