Is SP3 good for .44 Magnum?

SP3 is commonly listed for .44 Magnum (burn-rate rank #19). Other powders reloaders use for .44 Magnum include Vihtavuori N320, Vihtavuori N340, RS36. Verify charges against a published load manual.

Is SP3 good for 12 Gauge?

SP3 is commonly listed for 12 Gauge (burn-rate rank #19). Other powders reloaders use for 12 Gauge include No. 1, CSB1, BA10. Verify charges against a published load manual.

Is SP3 good for .357 Magnum?

SP3 is commonly listed for .357 Magnum (burn-rate rank #19). Other powders reloaders use for .357 Magnum include N310, Vihtavuori N320, Titegroup. Verify charges against a published load manual.

Lindcott Armory

Vectan · Ball

SP3

Medium-slow ball powder for magnum pistol and heavy shotshell.

Manufacturer: Vectan
Grain shape: Ball
Burn rank: #19
Category: Fast
Temp sensitivity: Low
Application: Pistol
Origin: France
Status: Active

Burn-rate position

FastestSlowest

Rank #19 on the burn-rate scale · Fast

Typical cartridges

.44 Magnum, 12 Gauge, .357 Magnum

By cartridge

.44 Magnum also used: Vihtavuori N320, Vihtavuori N340, RS36

12 Gauge also used: No. 1, CSB1, BA10

.357 Magnum also used: N310, Vihtavuori N320, Titegroup

Similar burn rate

#19CSP1Maxam #19RS36Reload Swiss #19540Winchester #19Winchester 571Winchester #18HP-38Hodgdon

Supply & handling

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

About this powder

Vectan SP3 is a medium-to-slower French ball powder for .357 Mag, 10mm, heavy .45 ACP, and 12-gauge field loads. European market powder with growing US specialty retailer availability.

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

Sources & provenance

Manufacturer Vectan — Vectan — published load/burn-rate data