Is RS70 good for .300 Winchester Magnum?

RS70 is commonly listed for .300 Winchester Magnum (burn-rate rank #70). Other powders reloaders use for .300 Winchester Magnum include N550, Superperformance, N555. Verify charges against a published load manual.

Is RS70 good for .338 Winchester Magnum?

RS70 is commonly listed for .338 Winchester Magnum (burn-rate rank #70). Other powders reloaders use for .338 Winchester Magnum include N550, 203-B, N540. Verify charges against a published load manual.

Is RS70 good for 7mm Remington Magnum?

RS70 is commonly listed for 7mm Remington Magnum (burn-rate rank #70). Other powders reloaders use for 7mm Remington Magnum include Superperformance, D072.5, IMR 4320. Verify charges against a published load manual.

Lindcott Armory

Reload Swiss · Extruded

RS70

Slow extruded powder for magnum rifle applications.

Manufacturer: Reload Swiss
Grain shape: Extruded
Burn rank: #70
Category: Medium-Slow
Temp sensitivity: Low
Application: Rifle
Origin: Switzerland
Status: Active

Burn-rate position

FastestSlowest

Rank #70 on the burn-rate scale · Medium-Slow

Typical cartridges

.300 Winchester Magnum, .338 Winchester Magnum, 7mm Remington Magnum

By cartridge

.300 Winchester Magnum also used: N550, Superperformance, N555

.338 Winchester Magnum also used: N550, 203-B, N540

7mm Remington Magnum also used: Superperformance, D072.5, IMR 4320

Similar burn rate

#70IMR 4831IMR #70Vihtavuori N160Vihtavuori #70AR 2213SCADI #70MRP2Norma #69H4831SCHodgdon

Supply & handling

Availability (US): Limited
Shortage-prone: No
Suppressor-friendly: Yes
Flash-suppressed: No

About this powder

RS70 is the slowest standard Reload Swiss rifle powder, suited for belted magnum cartridges. Swiss manufacture and high quality control standards make it a consistent performer for precision long-range hunting and competition.

ChartSee it on the burn-rate spectrum BrowseEvery powder, ranked by burn rate

Sources & provenance

Manufacturer Reload Swiss — Reload Swiss — published load/burn-rate data