Paper Patched Observations at the 2008 American Creedmoor Cup

American Creedmoor Cup > Three Successful Loads

Finally, here’s a listing of the three successful loads used during The Cup to further wet your appetite.

Dan’s Load Data:

  • Rifle: Browning Highwall
  • Caliber: 45-90 chambered with Sharps LR Traditional PP match reamer
  • Barrel Maker: Badger – Choke hand-lapped into last 6″ of the barrel
  • Barrel Twist: 1-16
  • Barrel Length: 32″
  • Brass: Starline 45-90 Nickel-plated
  • Primer: Federal 150 Match Large Pistol
  • Over-primer Wad: Ashless filter paper
  • Powder Manufacture and Granulation: Swiss 1.5
  • Powder Charge: 96.0 grains
  • Powder Compression: 0.080″
  • Over Powder Wad Type and Thickness: 0.060″ HDPE
  • Bullet Mold Manufacturer: Paul Jones
  • Bullet Designer: DanTDesigns
  • Bullet Design:  Paper-patch “Money Bullet”
  • Bullet Length: 1.450″
  • Bullet Nose Length: 0.700″
  • Bullet Shank Diameter: 0.4460″
  • Paper Thickness: 0.0016″
  • Wet or Dry Wrapped:  Wet wrapped
  • Bullet Seating Depth in Case: 0.125″
  • Bullet Alloy: 16-1
  • Bullet Weight: 532 grains
  • Wiping Technique: Two damp, 2.5″ diameter cotton patches followed by one dry pushed down the bore with a Tipton Nylon brush attached to a Tipton graphite cleaning rod

Pictured below is Dan’s 45-90 PP round with the Paul Jones “PP Money Bullet.”

45-90 paper patched

Bob’s Load Data:

  • Rifle:  Stevens 44 1/2
  • Caliber:  .45-2.4″
  • Barrel Maker:  Ron Smith
  • Barrel Twist:  Gain twist, 36 to 18
  • Barrel Length:  31.5″
  • Brass:  Remington stretched
  • Primer:  CCI BR-2
  • Over Primer Wad: None
  • Powder Manufacture and Granulation:  Swiss Fg
  • Powder Charge:  99.0 grains
  • Powder Compression:  0.07″
  • Over Powder Wad Type and Thickness:  0.030 “LDPE
  • Bullet Mold & Swage Manufacturer:  Self-made
  • Bullet Designer:  Bob’s design
  • Bullet Weight:  539 gains, cast and swaged
  • Bullet Design:  1/2 caliber nose diameter with a smooth curve connecting the nose and shank
  • Bullet Length:  1.400″ cast; 1.384″ swaged
  • Bullet Nose Length:  0.545″ cast; 0.590″ swaged
  • Bullet Shank Diameter:  0.448″ cast; 0.451″ swaged
  • Paper Thickness:  .0018″
  • Wet or Dry Wrapped:  Wet
  • Bullet Seating Depth in Case:  0.187″
  • Bullet Alloy:  BHN 10, equivalent to 30:1
  • Wiping Technique:  Two very damp patches

Bob reports that the section just behind the nose is swage-tapered to fit the throat.  His rifle’s chamber has a 1-1/2 degree leade angle.  The nose taper die has a 2 degree angle.  The paper over this tapered section engages the leade angle, which leaves rifling marks on the paper.  Bob also reported that he had no paper-patch induced flyers during the entire match.

Jim’s Load Data:

  • Rifle:  Pedersoli Sharps
  • Caliber:  45-70
  • Barrel Maker:  Pedersoli
  • Barrel Twist:  1-17.7
  • Barrel Length:  32″
  • Brass:  Winchester
  • Primer:  CCI BR-2
  • Over Primer Wad: Yes, same paper as patch, cut with primer
  • Powder Manufacture and Granulation:  Swiss 1 1/2
  • Powder Charge: 80 grains
  • Powder Compression:  0.125″
  • Over Powder Wad Type and Thickness: Poly 0.060″
  • Bullet Mold Manufacture:  Brooks
  • Bullet Designer: Brooks
  • Bullet Design:  Postell
  • Bullet Length: 1.450″
  • Bullet Nose Length:  ?
  • Bullet Shank Diameter: 0.443″
  • Paper Thickness:  0.002″
  • Wet or Dry Wrapped: Wet
  • Bullet Seating Depth in Case:  0.125″
  • Bullet Alloy:  Wheel weights
  • Wiping Technique: 1 wet 3″ patch followed by 1 dry Arsenal, pushed through with a bore mop

All as-cast bullets were run through a push-through bullet-sizer (like a Cornell or Lee) before applying the paper patch and again after the paper patch dried. The paper patch was not lubed.

Cheers,

DanT
March, 2008