Buckshot load construction Winchester and Sellier & Bellot

Winchester, 2.5 inch, 3 - 000 pellets (click to enlarge)

Sellier & Bellot, 2.5 inch, 3 - 000 pellets (click to enlarge)
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Chrono Testing
Winchester 2.5 inch, 3 - 000-BK pellets
Low Velocity: 779.6fps
Hight Velocity: 897.8fps
Average velocity: 863.6fps (4rds)
Extreme Spreed: 118.2
Std. Deviation: 56.30
Pellet Mass: ~69.5gr (average of 6 pellets weighed)
Calculated Muzzle Energy: Total: 345 ft-lbs /pellet: 115 ft-lbs
Sellier & Bellot 2.5 inch, 3 - 000-BK pellets
Low Velocity: 842.9fps
Hight Velocity: 900.4fps
Average velocity: 878.1fps (5rds)
Extreme Spreed: 57.5
Std. Deviation: 24.87
Pellet Mass: ~66.0gr (average of 8 pellets weighed)
Calculated Muzzle Energy: Total: 339 ft-lbs /pellet: 113 ft-lbs
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Buckshot load pattern from the Taurus Judge Winchester and Sellier & Bellot

Winchester 2.5 inch 3 - 000 pellets (click to enlarge)

Winchester 2.5 inch 3 - 000 pellets (click to enlarge)
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Patterning
Range: 40ft (13.3yds)
Target: 5.5 inch target spot on 32 x 21 in target backer.
Winchester
I fired 7 rounds of Winchester Buckshot in this pattern. As you can see by the yellow pointers only 16 of the 21 pellets hit my target backer. It will become evident later why the Winchester buckshot patterns so poorly. (Note: the unmarked holes in the center of the target spot are a couple slugs hits that I forgot to paste.)
Sellier & Bellot
I fired 5 rounds of Sellier & Bellot and all 15 pellets are accounted for. As you can see the Sellier & Bellot buckshot patterns much better than the Winchester
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Terminal Performance of Buckshot When Fired From the Taurus Judge Winchester and Sellier & Bellot


Winchester, 2.5 inch, 3 - 000 pellets (click to enlarge)


Sellier & Bellot, 2.5 inch, 3 - 000 pellets (click to enlarge)
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Water Jug Testing
Range: ~15ft (5 yds)
Target: 1/2 Gallon Milk Jugs
Winchester
I had originally intended to do this test at 21 ft (7 yards) but with how bad the Winchester buckshot was shooting I moved up to about 15 ft even then I only managed to hit the milk jugs with one of the three pellets. The pellet was found in the fourth jug. At most about 16 inches of water penetration. There were no marks on the back side of the fourth jug.
Sellier & Bellot
I hit with two pellets this time. Both pellets were found in the last jug and there were marks on the back side of the jug where the pellets stop although neither penetrated. So again a maximum of about 16 inches of water penetration.
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Buckshot Terminal Performance when fired from the Taurus Judge Winchester and Sellier & Bellot

Winchester 2.5 inch 3 - 000 pellets (click to enlarge)

Sellier & Bellot 2.5 inch 3 - 000 pellets (click to enlarge)
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Wet Paper Testing
Range: ~10ft (3.33 yds)
Target: Digi-Key catalogs, three catalogs duck tape together and soaked over night in buckets of water. The paper is very similar to phone book paper.
I moved in close for this test to again ensure that I got as many hits as I could.
Winchester
I fired two shots at the wet catalogs and even at 10 ft I still had one of the pellets miss the catalogs. As you can see the pellets are horribly flattened At first I thought this was due to the terminal impact but on closer inspection is became apparent that this deformation was all or nearly all done while the pellet was in the gun. The back most pellet was so flattened by the setback that the nominally 0.36 caliber 000-pellet was flattened enough that it has rifling marked from the Judge's 45 caliber barrel all the way around them.

Notice the rifling marks on these back most pellets, click to enlarge
Penetration: The pellets were found about 1.75 - 2.5 inches into the catalog. The one front pellet recovered did manage to penetrate to about 3 inches deep.
Sellier & Bellot
All six pellets were recovered from the two shots and as you can see the pellets are still much more spherical in shape. They definitely have flat spots from where they are mashed together during setback but are far less deformed then the Winchester pellets. I suspect this is due mostly to Winchester using a softer alloy. The construction and powder selection may also be playing a role in this deformation of the pellets.
Penetration: All six pellets were found having penetrated the books about 2.75 - 3.75 inches
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Slugs
Remington

Remington, 2.5 inch, 1/5oz slug 7.8 inch group (click to enlarge)

Remington, 2.5 inch, 1/5oz slug, recoverd from wet catalogs (click to enlarge)
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Chrono, Accuracy and Terminal Testing
Remington Slugger, 1/5oz slug
Chrono
Low Velocity: 1202fps
Hight Velocity: 1244fps
Average velocity: 1220fps (5rds)
Extreme Spreed: 42.05
Std. Deviation: 19.72
Weighed Mass: 96.1gr
Calculated Muzzle Energy: 317.5 ft-lbs
Accuracy
Range: 40ft (13.3yds)
Group Size: 7.8 inch
Terminal Performance
Two shot into wet catalogs.
Penetration: ~2.5 inch
Recovered Slugs Weight:
-Left: four pieces: 75.8gr
-Right: three pieces: 70.6gr
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Slugs
Winchester

Winchester, 2.5 inch, 1/5oz slug, 3.2 inch group (click to enlarge)

Winchester, 2.5 inch, 1/5oz slug, recoverd from wet catalogs (click to enlarge)
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Chrono, Accuracy and Terminal Testing
Winchester, 1/5oz slug
Chrono
Low Velocity: 1240fps
Hight Velocity: 1340fps
Average velocity: 1297fps (5rds)
Extreme Spreed: 99.30
Std. Deviation: 37.50
Weighed Mass: 92.8gr
Calculated Muzzle Energy: 346.6 ft-lbs
Accuracy
Range: 40ft (13.3yds)
Group Size: 3.2 inch
Terminal Performance
Two shot into wet catalogs.
Penetration: ~ 3 - 3.5 inch
Recovered Slugs Weight:
-Left: one piece: 91.4gr
-Right: two pieces: 91.4gr
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Slugs
Federal

Federal, 2.5 inch, 1/4oz slug (click to enlarge)
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Chrono, Accuracy and Terminal Testing
Federal, 1/4oz slug
Chrono
Low Velocity: 1188fps
Hight Velocity: 1208fps
Average velocity: 1198fps (2rds)
Extreme Spreed: 20.76
Std. Deviation: 14.14
Weighed Mass: 109.0gr
Calculated Muzzle Energy: 347.3 ft-lbs
Accuracy
Range: 40ft (13.3yds)
Group Size: 2.5 inch Only a two shot group
Terminal Performance
I only had two slugs so terminal testing was not conducted.
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