20. Bolt lug. 21. Tongue of cocking-piece. 22. Recess for lug of bolt. 23. Body bead. 24. Retaining catch. 25. Resistance shoulder. 26. Cut-off slot. 27. Body socket. 28. ” ” boss. 29. Stock-bolt. 30. Gas escape hole. 31. Bolt-breech. 32. Lever bolt-breech. 33. Lug seating. 34. Long cam groove. 35. Short cam groove. 36. Cam-shaped face. 37. } } Cam grooves separating studs. 38. } 39. Bolt-head. 40. ” tenon. 41. ” projection. 42. Extractor slot. 43. Extractor. 44. ” axis-screw. 45. ” spring. 46. ” ” pin. 47. ” ” pin-hole. 48. Bolthead hook. 49. Striker. 50. Cocking-piece. 51. Striker collar. 51A. Cocking-piece full bent. 52. ” ” half bent. 54. ” ” seating for safety-catch. 55. Safety-catch. 56. Striker keeper-screw. 57. Recess in striker for the keeper-screw. 58. Safety catch stem. 59. ” ” finger-piece. 60. ” ” locking grooves. 61. ” ” plunger. 62. Seating for plunger and spiral spring of safety-catch. 63. Nipple holes for plunger of safety-catch. 64. Retaining catch spring. 65. Ejector. 66. Sear. 67. ” screw. 68. ” seating in body. 69. ” spring. 70. Trigger. 71. ” axis pin. 72. Magazine box or case. 73. } } ” platform guides. 74. } 75. ” stop clip. 76. ” stop-clip stud. 77. ” platform. 78. ” clip stop. 79. ” tooth. 80. ” catch tooth. 81. ” catch. 82. ” ” finger-piece. 83. ” platform plate. 84. ” ” plate tongues. 85. ” ” spring. 86. ” ” auxiliary spring. 87. Cut-off. 88. ” screw. 89. ” thumb-piece. 90. ” catch. 91. Guard-trigger. 92. Screw-guard front. 93. ” collar. 94· ” ” rear. 95. Lower band. 96. Sling swivel. 97. Nose-cap. 98. ” band. 99. ” fixing screw. 100. Piling swivel. 101. Diagonal slot in nose-cap to clear the foresight block when assembling, etc. 102. Stock-bolt, plate-keeper. 103. Stock-butt swivel. 104. Oil-bottle, Mark III (latest Mark IV). [Illustration: =Fig. 61=.--CHARGER-LOADING LEE-ENFIELD.] [Illustration: =Fig. 62.=--CHARGER-LOADING LEE-ENFIELD.] [Illustration: =Fig. 63.=--CHARGER-LOADING LEE-ENFIELD.] II. DIRECTIONS FOR USE OF THE LEGRET AIM TEACHER. The Legret Aim Teacher. [Illustration: _This instrument provides a most easy means of teaching the elementary principles of aiming with Military Sights and also enables an instructor to check his pupils faults._] Aims Chart For use with “Aim Teacher” Mark 1. [Illustration: No. 1] No. 1. Stage I. _Proper relation of fore-sight to aiming mark. Aim taken at 6 o.c. point with fore-sight only._ [Illustration: No. 2]