This Extreme Extruded propellant has gone through some changes since its inception, all the time maintaining the same important burning speed of the past. The kernels were shortened for improved metering and necessary elements were added to make it extremely insensitive to hot/cold temperatures. H4198 is outstanding in cartridges like the 222 Remington, 444 Marlin and the 7.62 X 39. Available in 1 lb. & 8 lb. containers.

ShapeColorPerforationDiameter minDiameter maxLength/thick. minLength/thick. maxManufacturer
Cylinder(tubular)GoldYes0.59 mm0.66 mm1.55 mm1.55 mmHodgdon Powder Company
H4198
Bilde
Wt.BulletChargeVelocity (FPS)Remarks
Bilde200 Hornady RN 28.0 1,656primer: CCI 400
10-Inch Barrel
Muzzle velocities taken at 10 feet, not corrected to muzzle. All data the result of a single, representative 10-shot group unless otherwise noted.
Bilde
Wt.BulletChargeVelocity (FPS)Remarks
Bilde360 Oregon Trail WNFP GC 40.0 1,431

firearm: Smith & Wesson .460 XVR; SAAMI maximum average pressure: 65,000 psi; barrel length: 7 1/2-inches; case: Starline; primer: CCI #200; trim to case length: 1.790"; temperature: 15 degrees
Wt.BulletChargeVelocity (FPS)Remarks
Bilde325 Swift HP 37.0 1,556starting load; dia.: .451; COL: 2.175"; 36,200 psi
Bilde325 Swift HP 41.0 1,695maximum load; compressed load; dia.: .451; COL: 2.175"; 42,500 psi
Bilde360 Cast Performance Bullets WLN GC 37.0 1,531starting load; dia.: .452; COL: 2.190"; 38,200 psi
Bilde360 Cast Performance Bullets WLN GC 40.0 1,644maximum load; compressed load; dia.: .452; COL: 2.190"; 43,200 psi
Bilde395 Cast Performance Bullets WLN GC 35.0 1,484starting load; dia.: .452; COL: 2.185"; 40,000 psi
Bilde395 Cast Performance Bullets WLN GC 38.0 1,596maximum load; compressed load; dia.: .452; COL: 2.185"; 46,600 psi
Hodgdon Pistol Data
case: Starline; bbl: 10.743"; PR: Winchester LRM; twist: 1:20"; trim: 1.790" - This data was developed with Starline Brass which was designed for use with large rifle type primers. Some brands of brass were designed solely for use with large pistol primers. Check with the manufacturer of the brass for correct primer usage. Rifle primers used in a pistol primer pocket cannot be seated sufficiently deep to be below flush with the casehead, which could result in sympathetic ignition of other rounds in the cylinder during recoil. Such use may result in damage to the firearm and/or result in injury or death of the shooter and/or bystander. Never exceed loads listed.
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