Hk P9s Change Elastic Puffer

The trigger is now under spring tension.

P9s Elastic Buffer

- Insert compression spring (8) into the barrel clamp (7).

- Introduce both components into the receiver, retaining them in position with assembly pin dia 2.85 x 30 (Fig. 35), follow up with cylindrical pin (6) until it fits flush with both sides of the receiver.

Fig. 35

P9s Buffer

- Insert elastic buffer (12) into the buffer housing (13).

- Place the support (14) onto the buffer housing and insert both components into the receiver (Fig- 36).

Fig Pph Kutz Pistol

Fit the threaded insert (15) from below into the trigger guard and lens head countersunk screw (11) from above, at the same time pressing the buffer housing slightly back with the support. Screw the insert and the countersunk screw together (counter screw).

- Thread lens head countersunk screw (11) into the receiver and tighten firmly.

- Introduce the catch lever (17) into the receiver (Fig. 37) so that the end of the elbow spring projects through the small drill hole in the receiver (see arrow).

Fig. 37

Introduce the assembly pin from the right-hand side of the receiver, lock the catch lever and fit the safety latch (16) (Fig. 38). The long arm of the latching lever must project through the semi-circular opening in the receiver (see arrow).

Fig. 38

Follow up with cylindrical pin (6) until it fits flush on both sides of the receiver; the longer arm of the latch must be free to move (Fig. 39).

- Fit the pull bar (18) and trigger bar (19) on over the projections on the trigger (Fig. 40).

Fig. 40

- Pull the trigger fully back, swivel the pull bar into position in the receiver and follow it with the trigger bar (Fig. 41).

Allow the trigger to travel forward again, swivelling the pull bar into the recess in the catch lever (17).

- Trigger, pull bar and trigger bar must move unrestrictedly.

- Fit the hammer (20) (Fig. 42), feeding it downwards until it is correctly positioned.

Fig. 42

- With the trigger operated, fit the indicator pin (21), feeding the shorter leg through the rear recess in the receiver (Fig. 43).

Fig. 43

Note:

When fitting the indicator pin, ensure that the pin on the hammer engages into the recess indicated by arrow.

Fit the disconnector (22) with its spring (Fig. 44) over the centrally positioned hammer and indicator pin, making sure that the trigger bar comes to rest between the short jaws of the disconnector.

Align the drill holes in the disconnector and the hammer as well as the recess for the hammer axle (23), and retain in position by inserting assembly pin dia. 3.85 x 35 from the right-hand side of the receiver.

Introduce the hammer axle from the right, taking care that the projection on the axle engages in the recess provided for it in the receiver (Fig. 45).

Rocoss for axle

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Mount the angle lever (26), cocking lever (27) and the left-hand bearing plate (28) onto the receiver and attach the bearing plate to the left-hand side of the receiver with countersunk screws (29) (Fig. 46).

P9s Receiver

Fig. 46

Note:

When inserting the cocking lever, press catch (2) and the arm of the safety latch (16) slightly upwards.

Engage the short nose of the bearing plate into the slot provided in the receiver (see arrow, Fig. 46), making certain that the pin on the carrier also locates in the drill hole in the angle lever.

- When inserting the intermediate lever (30), push the pull bar (18) slightly upwards and locate it on the pivot in the receiver.

- Introduce the short nose of the right-hand bearing plate (31) into the slot on the other side of the receiver (see arrow, Fig. 47) and one pin into the drill hole in the angle lever.

- Attach the bearing plate with countersunk screw (29) (Fig. 47).

Slot

Engage the pull bar spring (33) on the right-hand side of the receiver - short leg towards the muzzle end, long leg located in the slot in the pull bar - (Fig. 48).

Fig. 48

- Locate the elbow spring (32) on the pivot on the right-hand side of the receiver; engage the ends of the spring into the angle lever (26) and the intermediate lever (30) (Fig. 48).

- Locate the elbow spring (32) on the pivot on the left-hand side of the receiver; engage the ends of the spring into the cocking lever (27) and angle lever (26) (Fig. 49).

Fig. 49

- Uncock hammer (20) prior to inserting the compression spring for the shank (24).

- Feed the compression spring over the shank.

- Place the magazine catch (25) over the end of the spring and push upwards (Fig. 50).

Pistols With Side Pivot

- Maintain the alignment of the drill holes through the magazine catch and the receiver with an assembly pin.

- Follow up with cylindrical pin (6), pressing it in until it is centrally positioned in the receiver.

- To fit the moulded grip, uncock the hammer.

- Push the grip onto the receiver so that the indicator pin (21) passes through the slot in the grip (Fig. 51).

Fig. 51

- Without resorting to force, push the grip onto

- Screw the grip firmly to the receiver with lens fits into the upper of the two holes in the rear of the receiver as far as it will go.

head countersunk screws - the shorter screw the grip.

Note:

If the moulded grip is properly fitted, then the catch must lie against it.

4.5 Assembling the pistol

The barrel clamp must be fully engaged when fitting the slide to the receiver. - Insert the magazine.

Carry out functional testing in accordance with Section 4.7.

4.6 Correction of sight alignment

Corrections to the alignment of the sights are to be confined to the front sight only. Front sights of various heights are available for this purpose.

(1) Changing the front sight

- Remove the barrel and bolt head from the slide.

- Using a drift, drive out the front sight from right to left. (Fig. 52).

Fig. 52

- Determine the height of the front sight needed - the size is stamped into the base of each sight.

- Depending on the point of impact, drive the new sight blade in from the left or right relative to the centre line of the slide.

P9s Sight Dimensions

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(2) Elevation corrections

Point of impact too low:

- Insert a shorter front sight.

Point of impact too high:

- Insert a taller front sight.

(3) Lateral corrections

Lateral corrections to sight alignment can only be carried out by displacing the front sight.

The displacement of the sight relative to the central axis of the slide must not exceed 1 mm.

- A 0.1 mm displacement of the front sight results in a shift of approx. 17 mm in the point of impact over a range of 25 metres (27.3 yds).

Point of impact too far left:

- Move the front sight to the left.

Point of impact too far right:

- Move the front sight to the right.

The sight alignment is checked by firing the P9S pistol over a range of 25 metres (27.3 yds) in accordance with the details on the target illustrated at Fig. 53.

Note:

Point of aim = point of impact (see triangle on the target's outer 7 ring.

P9s Review

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