Accurate 8700 Powder For 40-65 Winchester

The .40-65 Winchester, also known as the .40-65 Marlin, was introduced in 1887 for Winchester's Model 86 lever action rifle. The Winchester singleshot rifle was also chambered for it.

The .40-65 was loaded with both black and smokeless powder and remained listed in Winchester catalogs until about 1935. The .40-65 Winchester is essentially the .45-70 Government cartridge necked down to .40 caliber. The purpose behind this cartridge was to increase the power available in Winchester's lever action rifles thus making them more competitive with their single-shot rivals.

The pressure limit used for the maximum loads listed below were established by first firing 65 grains of "FFg" black powder and a 300 grain lead bullet. Accurate 8700 is a good duplicate of the performance of blackpowder in this cartridge. Accurate 5744 provides modern performance in this 106-year old cartridge at safe pressures.

This data is intended only for firearms safe for use with smokeless propellants.

.40-65 WINCHESTER

Gun

C. SHARPS

Max Length

2.1GG"

Barrel Length

36"

Trim Length

2.G8G"

Primer

WLR

OAL Max

2.47G"

Case

WW

OAL Min

--

START LOADS

MAXIMUM LOADS

Cartridge

Bullet

Powder

Grains

Vel.

Powder

Grains

Vel.

P.S.I.

Length

Comment

26G (L) FN

5744

23.4

1452

5744

26.G

1651

2G,GGG

2.54G"

RCBS

3GG(L) FN

5744

21.6

1333

5744

24.G

1515

19,2GG

2.58G"

RCBS

3GG (L) CSA

5744

21.6

1338

5744

24.G

1521

21,6GG

2.66G"

2495

38.7

1649

2495

43.G

1874

18,8GG

8700

54.G

1255

8700

6G.G

1426

21,9GG

Compressed

35G (L) CSA

5744

2G.7

1263

5744

23.G

1436

21,GGG

2.66G"

2495

36.G

1556

2495

4G.G

1768

2G,8GG

8700

48.6

11G4

8700

54.G

1255

19,7GG

Compressed

4GG (L) CSA

5744

2G.7

12GG

5744

23.G

1364

22,GGG

2.83G"

2495

33.3

1437

2495

37.G

1633

19,6GG

8700

46.8

1G41

8700

52.G

1183

16,8GG

Compressed

NOTE: CSA Bullets are designed for single shot rifles. They are not recommended for use in lever action rifles.

NOTE: CSA Bullets are designed for single shot rifles. They are not recommended for use in lever action rifles.

.605 15,37mm

.5G5 12,83mm

.425 1G,79mm

"7

9mm 9mm

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