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P7 Armorer’s Course

P7 Armorer’s Course. John H.Zamrok John Kuhns IV. 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: P olice S elf-loading P istol

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P7 Armorer’s Course

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  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 pistolaccomplished 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 • 800 937 4677 • Mark Nelson

  18. Knitted Patches • Southern Bloomers Manufacturing • PO Box 1621 • Bristol, TN 37620 • 423 878 6660 • Fax 8761

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

  20. Militec • 800 494 1746-04 • Rick Baumgartner • Information & free samples

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

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

  40. Flutes

  41. Firing Pin Bushing

  42. Firing Pin Collar & Collar Pin 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

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