Any smoless powder guru's out there General Dynamics powders SHP 761

[mac1911]

Any one have any tips on what this powder is close to in commercial offerings ?

 

[NavelOfficer]

Not a guru, but a simple search turned up nothing elaborate on SHP 761...
SMP refers to St. Marks Powder (don't know about SHP)
https://www.gd-ots.com/download/BALL POWDER Propellants.pdf
https://shootersworldsc.com/bulk-propellant/ Lists similar burn rate as H414/W760