Remington Ultra

Remington has done it again. Right after the .300 Remington Ultra Mag was introduced, they followed it right up with the .338 Remington Ultra Mag. As with the .300 RUM, there is more capacity which results in higher velocities than other magnums.

SAAMI Maximum Average Pressure is set at 65,000 P.S.I. Please use starting loads for this cartridge as reference ammunition was not yet available when we developed the following data.

.338 REMINGTON ULTRA MAG

Gun

WISEMAN

Max Length

2.760"

Barrel Length

24"

Trim Length

2.740"

Primer

REM 91/2 M

OAL Max

3.595"

Case

REM

OAL Min

3.320"

START LOADS

MAXIMUM LOADS

Cartridge

Bullet

Powder

Grains

Vel.

Powder

Grains

Vel.

P.S.I.

Length

Comment

193 (L) FPGC

5744

---

5744

25.0

1595

13,600

3.310"

Penny's

5744

---

---

5744

40.0

2185

27,600

HDY 200 SP

5744

---

---

5744

40.0

2123

27,400

3.575"

Light Load

2700

74.2

2741

2700

82.5

3115

61,800

4350

81.0

2813

4350

90.0

3197

61,500

3100

85.5

2838

3100

95.0

3226

63,100

8700

100.8

2566

8700

112.0

2916

46,500

Compressed

NOS 200 BT

5744

---

---

5744

40.0

2134

26,900

3.575"

Light Load

2700

74.2

2747

2700

82.5

3122

62,100

4350

81.0

2838

4350

90.0

3226

63,300

Compressed

3100

84.1

2814

3100

93.5

3198

62,300

Compressed

8700

97.2

2495

8700

108.0

2836

44,600

Compressed

SRA 215 SPBT

5744

---

---

5744

40.0

2115

28,700

3.575"

Light Load

2700

72.4

2646

2700

80.5

3007

63,000

4350

80.1

2751

4350

89.0

3127

63,000

Full Case

3100

82.8

2728

3100

92.0

3101

63,400

Compressed

8700

95.4

2442

8700

106.0

2775

43,900

Compressed

START LOADS

MAXIMUM LOADS

Cartridge

Bullet

Powder

Grains

Vel.

Powder

Grains

Vel.

P.S.I.

Length

Comment

HDY 225 SP

5744

---

---

5744

40.0

2083

30,800

3.575"

Light Load

2700

72.0

2556

2700

80.0

2905

60,600

4350

79.2

2676

4350

88.0

3041

63,200

3100

82.8

2674

3100

92.0

3039

63,800

Compressed

8700

95.4

2447

8700

106.0

2781

46,600

Compressed

SWF 225 AFSP

5744

---

---

5744

42.0

2144

32,800

3.490"

Light Load

2700

69.3

2545

2700

77.0

2893

62,600

4350

76.5

2650

4350

85.0

3012

63,600

3100

81.0

2640

3100

90.0

3001

62,600

Compressed

8700

93.6

2398

8700

104.0

2726

43,900

Compressed

HDY 250 SP

5744

---

---

5744

42.0

2087

35,200

3.575"

Light Load

2700

68.4

2433

2700

76.0

2765

63,600

4350

75.1

2514

4350

83.5

2857

63,100

3100

80.1

2530

3100

89.0

2875

63,200

Compressed

8700

93.6

2384

8700

104.0

2710

47,800

Compressed

NOS 250 PART

5744

---

---

5744

42.0

2082

35,300

3.575"

Light Load

2700

64.8

2381

2700

72.0

2706

63,800

4350

72.9

2478

4350

81.0

2816

63,100

3100

78.3

2504

3100

87.0

2846

63,000

Compressed

8700

93.6

2370

8700

104.0

2694

46,300

Compressed

SRA250 SPBT

5744

---

---

5744

42.0

2113

36,100

3.575"

Light Load

2700

64.8

2385

2700

72.0

2711

62,900

4350

74.2

2516

4350

82.5

2860

63,100

3100

78.7

2530

3100

87.5

2875

63,200

Compressed

8700

93.6

2364

8700

104.0

2687

45,700

Compressed

SWF 250 AF

5744

---

---

5744

42.0

2088

36,300

3.490"

Light Load

2700

63.9

2348

2700

71.0

2669

61,700

4350

72.0

2640

4350

80.0

3000

62,600

3100

77.4

2493

3100

86.0

2833

62,600

Compressed

8700

93.6

2368

8700

104.0

2691

46,700

Compressed

SPR 250 GS

5744

---

---

5744

42.0

2053

36,000

3.575"

Light Load

2700

63.9

2345

2700

71.0

2665

63,000

4350

71.1

2440

4350

79.0

2773

61,700

3100

77.4

2508

3100

86.0

2851

63,300

Compressed

8700

93.6

2419

8700

104.0

2749

48,200

Compressed

SWF 275 AF

5744

---

---

5744

44.0

2082

42,900

3.490"

Light Load

2700

59.4

2174

2700

66.0

2471

62,000

4350

66.6

2275

4350

74.0

2586

61,600

3100

75.6

2372

3100

84.0

2696

63,600

Compressed

8700

88.2

2191

8700

98.0

2490

42,100

Compressed

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