1. P7 Armorer’s Course
John H.Zamrok John Kuhns IV

2. General Information Designed in 1976 for German police & military
Locking is accomplished by expanding propellant gases
Cocking is accomplished by a cocking lever (squeeze cocker)
PSP: Police Self-loading Pistol
1978 modified became the M8

3. Polygonal Barrel

4. Muzzle Crown Land Larger star burst Star burst of gases
= loss of accuracy

5. Left Side Same Slide for M8 or M13 Slide removal button Heat Shield
Slide Lock
Mag Release
Squeeze Cocker
Lanyard loop

6. Right Side Extractor Ejection Port Grip Screw Markings Mag Release
Magazine foot

7. Markings

8. H&K Markings

9. Front Sight

10. Rear Sight

11. Extractor
Disassembly port

12. Firing the pistol accomplished in three ways
Squeeze the squeeze cocker, pull the trigger
Pull the trigger, squeeze the squeeze cocker
Pull the trigger and squeeze the squeeze cocker at the same time
Firing is not sequence critical

13. Relaxed Firing Pin

14. Bring Firing Pin Flush

15. Firing Pin

16. Gas Piston

17. MPpro7 No carcinogens No harmfull fumes Removes all oil and grease
Weapon and parts must be re-lubed
Mark Nelson

18. Knitted Patches Southern Bloomers Manufacturing PO Box 1621
Bristol, TN 37620
Fax 8761

19. Break-Free Dwight Woodruff or customer service 800 231 2055
free samples

20. Militec
Rick Baumgartner
Information & free samples

21. From solids to gas 900 to 1,000 times the volume of the dry powder
...::::
From solids to gas 900 to 1,000 times
the volume of the dry powder
Gas pressure from 38,000 to 43,000 psi

22. M16, AR 15 vented at the top
M14 vented on bottom
Venting is usually forward of the mid-point

23. Operating Principle for semi-automatic firearms
Gas operated (M-14, AR-15)
Recoil (signature - the barrel moves) (most modern semi-auto handguns)
Blowback (simple and delayed) (MP5, UZI)
The P7 is Blowback operated with a gas retarded locking delay

24. Cycle of function Most auto loaders: P7 Feeding Feeding Chambering
Locking
Firing
Unlocking
Extracting
Ejecting
Cocking P7
Feeding
Chambering
Cocking
Firing
Locking
Unlocking
Extracting
Ejecting

25. Extractor engages cartridge rim during Chambering

26. Slide Stop Assembly Locks slide to rear B A Lever
A = manual slide lock
Rocker
B = mag follower tab

27. Assembled (left side) Disconnector Sear Bar Trigger Drag Lever
Mag Release
Transmission Lever
Squeeze Cocker

28. Disconnector
Rearward movement of slide before disconnection of trigger:
1.3mm
1.8mm max.

29. Weapon De-Cocked

30. Un-cocked Cocking Latch

31. Cocking Latch engaged

32. De-cocked Sear position

33. Sear Bar half way back

34. Sear Bar in Cocked position

35. Weapon Cocked

36. Sear Bar down after Trigger is pulled

37. Drop Safety

38. Locking

39. Gas Cylinder Diameter:
Min: 7.004mm
Max: 7.020mm

40. Flutes

41. Firing Pin Bushing

42. Firing Pin Collar & Collar Pin

43. Drop Safety & Spring
Dog legged end

44. Gas Piston
Piston Diameter:
Min: 6.976mm
Max: 6.982mm

45. Extractor Disassembly Hole

46. Extractor Tool

47. Extractor Punch Hole

48. Squeeze Cocker Pin

49. Squeeze Cocker Off

50. Push Sear Spring Off

51. Drag Lever & Sear Bar
Sear Spring
Drag Lever
Sear Bar

52. Trigger Axle out

53. Trigger, Spring & Transmission Bar

54. Disconnector Off

55. Slide Stop Assembly Locks slide to rear B A Lever
A = manual slide lock
Rocker
B = mag follower tab

56. Rocker Spring Axle

57. Slide Stop Lever off
Mag follower tab

58. Slide Stop Lever Axle Mag follower tab Spring Appears on left side
of weapon

59. Magazine Release Axle

60. Mag Release Assembly w/Stop
Mag Release & Spring
Stop
Axle
Cocking Latch
& spring
Rocker

61. Receiver & Barrel

62. Receiver & Barrel (right side)

63. Magazine Release & Spring

64. Start Mag Release Axle w/ Rocker

65. Placement of Stop
Place on bar

66. Trigger, Spring & Axle
Lip of spring over
edge of trigger

67. Assembled (right side)
Disconnector
Sear Bar
Trigger
Drag Lever
Mag Release
Transmission Lever
Squeeze Cocker

68. Assembly Order Magazine Release Assembly
Mag release, mag release spring, stop, cocking latch & spring, rocker & axle
Slide Stop Assembly (left side)
Slide stop, spring, axle
Disconnector (right side)
Trigger Assembly (right side)
Trigger, trigger spring, transmission lever
Sear Bar/Drag Lever (right side)
Squeeze Cocker

69. Inspection LTI (Limited Technical Inspection)
Armorer gets to see and function check weapons
Pre or post firing
used to determine weapon safety or effectiveness of maintenance programs
Helpful when drafting yearly budgets

70. Records Accountability
Where is the gun??? or Where should the gun be?
Serialized and alpha
Keep trade-in/sales records
LTIs help keep things straight

71. Records Round Counts Helps identify future problems
Assists and provides evidence for budget requests

72. Records Maintenance Record all repairs
Record LTIs - it is important to have a record of the last time you saw a gun
Keep all weapons within factory spects
Maintain all records in a professional manner