7mm Remington Magnum Reloading

Cartridge:
The 7mm Remington Magnum centerfire rifle cartridge is a .28″ caliber, belted, bottleneck centerfire rifle cartridge case design that is reloadable with various combinations of primer, powder and .284″ diameter bullets by handloaders.

7mm Remington Magnum Reloading And Cartridge Specifications:

7mm Remington Magnum Cartridge:

Bullet Diameter – .284″.

Primer Diameter – .210″.

Primer Type – Large Rifle Magnum.

Case Neck Diameter – .315″.

Case Shoulder Diameter – .492″.

Case Base Diameter – .513″.

Case Rim Diameter – .532″.

Min. Case Length – 2.490″ / Trimmed.

Max. Case Length – 2.500″ / Stretched.

Min. Cartridge Loaded Length – 3.150″.

Max. Cartridge Loaded Length – 3.290″.

Max. Average Pressure – 61,000 PSI.

7mm Remington Magnum Reloading Data:

For the Predator and Deer hunter hand-loading his or her own 7mm Remington Magnum ammunition wanting to shoot a lightweight bullet, the 7mm Remington Magnum will launch Nosler 120 grain Ballistic-Tip bullets in the excees of 3,300 feet per second. Those handloaders desiring a slightly heavier bullet, Hornady 139 grain bullets do a better job when dealing with stiff cross-winds as they have a slightly better ballistic profile.

7mm Remington Magnum Load Data:

Winchester Cartridge Case

Case Trimmed Length = 2.490″.

Nosler Bullet

Dia.

Type

Weight

S.D.

B.C.

.284″

B-Tip

120

.213

.417

Cartridge Overall Length = 3.200″.

Winchester Primer

Type = WLRM.

Accurate Magpro Powder

Powder
Start
Load
Grains

Start
Load
Velocity
Fps.

Powder
Maximum
Load
Grains

Maximum
Load
Velocity
Fps.

Maximum
Load
Pressure
P.S.I.

69.4

3,016

77.1

3,347

60,518

Ballistic Test Barrel Length = 24″.
Ballistic Test Barrel Twist Rate = 1 in 9″.

Bullet @	Velocity / FPS.	Energy / FT.LBS.	Trajectory / IN.
Muzzle	3,347	2,985	– 1.5
100 yds.	3,101	2,562	+ 1.1
200 yds.	2,869	2,194	0
300 yds.	2,649	1,870	– 5.3
400 yds.	2,440	1,586	– 15.6
500 yds.	2,240	1,337	– 31.7

7mm Remington Magnum Load Data:

Winchester Cartridge Case

Case Trimmed Length = 2.490″.

Hornady Bullet

Dia.

Type

Weight

S.D.

B.C.

.284″

BTSP

139

.246

.453

Cartridge Overall Length = 3.230″.

Winchester Primer

Type = WLRM.

Accurate Magpro Powder

Powder
Start
Load
Grains

Start
Load
Velocity
Fps.

Powder
Maximum
Load
Grains

Maximum
Load
Velocity
Fps.

Maximum
Load
Pressure
P.S.I.

68.3

2,921

75.8

3,207

60,689

Ballistic Test Barrel Length = 24″.
Ballistic Test Barrel Twist Rate = 1 in 9″.

Bullet @	Velocity / FPS.	Energy / FT.LBS.	Trajectory / IN.
Muzzle	3,207	3,174	– 1.5
100 yds.	2,988	2,755	+ 1.2
200 yds.	2,779	2,384	0
300 yds.	2,580	2,055	– 5.7
400 yds.	2,390	1,763	– 16.7
500 yds.	2,208	1,504	– 33.7

For the Elk and Moose hunter hand-loading or reloading his or her own 7mm Remington Magnum ammunition, bullet choices and selections are excellent for long range hunting. Berger 168 grain VLD bullets offer a very flat trajectory and very high energy retention for long range targets that may be encountered.

7mm Remington Magnum Load Data:

Winchester Cartridge Case

Case Trimmed Length = 2.490″.

Nosler Bullet

Dia.

Type

Weight

S.D.

B.C.

.284″

Accu-B

160

.283

.531

Cartridge Overall Length = 3.290″.

Winchester Primer

Type = WLRM.

Accurate Magpro Powder

Powder
Start
Load
Grains

Start
Load
Velocity
Fps.

Powder
Maximum
Load
Grains

Maximum
Load
Velocity
Fps.

Maximum
Load
Pressure
P.S.I.

63.9

2,662

71.0

2,958

60,446

Ballistic Test Barrel Length = 24″.
Ballistic Test Barrel Twist Rate = 1 in 9″.

Bullet @	Velocity / FPS.	Energy / FT.LBS.	Trajectory / IN.
Muzzle	2,958	3,108	– 1.5
100 yds.	2,781	2,747	+ 1.5
200 yds.	2,610	2,421	0
300 yds.	2,446	2,126	– 6.6
400 yds.	2,288	1,860	– 19.0
500 yds.	2,136	1,621	– 38.1

7mm Remington Magnum Load Data:

Winchester Cartridge Case

Case Trimmed Length = 2.490″.

Berger Bullet

Dia.

Type

Weight

S.D.

B.C.

.284″

VLD

168

.309

.604

Cartridge Overall Length = 3.290″.

Winchester Primer

Type = WLRM.

Accurate Magpro Powder

Powder
Start
Load
Grains

Start
Load
Velocity
Fps.

Powder
Maximum
Load
Grains

Maximum
Load
Velocity
Fps.

Maximum
Load
Pressure
P.S.I.

63.2

2,741

70.2

3,001

60,920

Ballistic Test Barrel Length = 24″.
Ballistic Test Barrel Twist Rate = 1 in 9″.

Bullet @	Velocity / FPS.	Energy / FT.LBS.	Trajectory / IN.
Muzzle	3,001	3,359	– 1.5
100 yds.	2,843	3,015	+ 1.4
200 yds.	2,691	2,701	0
300 yds.	2,544	2,414	– 6.2
400 yds.	2,402	2,151	– 17.8
500 yds.	2,264	1,911	– 35.4

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