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A 6.5x55 Match Rifle

Page 6 - Working-Up Some Loads

Sighting-In and load development is done on a 100 yard back-yard range, firing from a bench and through a chronograph.

This model costs less than $100. I place it about 15 feet from the rifle muzzle, any closer, and the debris from the blast damages the front panel.

I have been shooting a 29"-inch barreled Twede using 42.1 Gr. of "Special Ball" (Surplus; Pat McDonald, Ohio), a 140 Gr. Mollied A-Max, and either CCI LRM or Fed. Gold Metal Match primers. With the Fed. Primers, this load delivered 2700 FPS, with an Extreme Spread of 20 FPS, and a Standard Deviation of less than 10. Five years ago I had tried up to 43.0 Gr. of SB, but bust performance was 42.1 Gr.

Since this Twede has a 24-inch barrel, I started with the 43.0 Gr. load, but I used CCI Bench Rest primers. This is load #1 in the table below.

Load Work-Up 6.5 x 55 F-Class Rifle - 2003 - ALL LOADS-140 Gr. A-Max Moly

Load No.

Powder

Load

Primer

Avg. Velocity

Ext. Sprd.

Std. Dev.

NOTES

1

SB

43.0

CCI BR

2537

52

18

Low Vel. /Poor ignition of the CCI Br. Primers?

2

SB

43.0

Russian

2614

57

17

3

SB

43.0

CCI Mag.

2658

57

18

4

SB

43.0

FM

2644

39

11

Is FM Primer "hotter" than all the rest?

5

SB

43.0

FM

2648

31

12

Same load as #4, different day

6

SB

43.3

FM

2653

60

28

7

SB

44.0

FM

2681

62

23

8

SB

44.6

FM

2749

65

27

9

IMR5010

50.0

CCI BR

2249

45

17

Tight group ,under 1/2 inch Nice low power load.

10

IMR5010

50.5

CCI BR

2334

76

29

Tight group ,under 1/2 inch Compressed

11

IMR5010

50.0

FM

2335

19

7

Tight group ,under 1/2 inch

12

IMR5010

50.5

FM

2382

48

21

Tight group ,under 1/2 inch Compressed

13

WC860

49.0

CCI Mag.

1924

138

58

Joke

14

WC860

49.0

FM

1945

85

32

Joke

15

WC860

51.0

FM

2037

71

27

Joke

16

4895

35.0

CCI BR

2327

55

21

SURPLUS 4895

17

4895

36.0

CCI BR

2368

52

23

18

4895

37.5

CCI BR

2466

11

4

19

4895

38.0

CCI BR

2506

7

3

20

4895

38.5

CCI BR

2562

77

28

21

4895

39.0

CCI BR

2582

47

22

4895

39.5

CCI BR

2599

23

9

23

4895

40.5

CCI BR

2688

100

41

24

4895

41.0

CCI BR

2670

64

28

25

4895

41.5

CCI BR

2740

14

7

26

4895

42.0

CCI BR

2731

54

27

27

4895

42.3

CCI BR

2758

21

9

28

2520

35.0

CCI BR

2295

82

35

SURPLUS 2520

29

2520

35.0

FM

2330

131

55

30

2520

35.0

Russian

2257

190

88

31

2520

37.5

CCI BR

2479

117

44

32

2520

38.0

CCI BR

2478

64

24

33

2520

38.5

Russian

2528

51

20

34

2520

39.0

Russian

2557

60

24

35

2520

39.0

FM

2560

86

36

36

2520

40.5

Russian

2643

67

27

37

2520

41.0

Russian

2702

32

12

38

2520

41.5

FM

2702

14

6

39

2520

42.0

FM

2750

66

26

40

2520

42.3

FM

2736

35

14

41

2520

42.6

FM

2746

81

31

42

2520

43

FM

2790

71

29

43

2520

43.3

FM

2776

32

12

44

2520

44

FM

2856

38

14

 

 

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