We've discussed this a few times. Last March I asked the same question when in dire need of shells. I bought the Federals specifically because of Drew's posting of Bell's chart. I reasoned that those Federal shells were close enough to #4 below (except mine of course are plastic not paper). I shot those Federal shells today in my 12 ga French Saint-Etienne proofed "Wonder"...circa 1926.. without a problem...with a goodly amount of recoil. But based on the comments, I did not use them in the Damascus barreled Reilly. I'll look for 7/8 oz Federal shells. (yet per bell's chart the difference between 7/8 oz Federals - plastic hulls - and 1 1/8 oz - paper hulls - was almost negligible). Just wish RST would get back into the business.

https://doublegunshop.com/forums/ub...;Main=48256&Number=612418#Post612418

Repost:
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Thanks Ted, I looked for the Federal for a reason...from this line which is pretty good I think:

http://doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=400821

Thinking of: 12 gauge 2 3/4" Winchester AA extra lite shell, 1145 fps, 1 oz, 7 1/2 shot. If they can be found,
But reading the comments in the above line, Federal hulls produce dramatically lower pressure than Winchester.

I'll repost Dr. Drew's chart with the black splotches eliminated:

Many thanks to Bill Johnson for scanning and sending "Long Shells in Short Chambers", Sherman Bell with technical assistance from Tom Armbrust in "Finding Out for Myself", Part V, Double Gun Journal, Winter 2001

The test barrel was a "heavy" Krieger barrel with piezo-electric transducer at 1" from the breech and an Oehler velocity gauge 2 5/16" from the breech.
Tests were performed:
1. 2 1/2" chamber with a 7/16" forcing cone - "British chamber" (BC)
2. 2 1/2" chamber with a 1 1/4" forcing cone - "Modified British chamber" (MBC)
3. 2 3/4" chamber with a 1" forcing cone - "American Chamber" (AC)
Each load was tested in each chamber at least 5 times.
No significant change in velocity was noted between the 3 test chambers
It was not unusual to have 300-600 psi spread between shots

LOADS
1. 7/8 oz. in Federal plastic hull at 1185 fps in the 2 3/4" chamber
2. 7/8 oz. in Estate plastic hull at 1206 fps
3. 1 oz. in Federal paper hull at 1137 fps
4. 1 1/8 oz. in Federal paper hull at 1120 fps
5. 1 oz. in Remington plastic hull at 1205 fps
6. 1 1/8 oz. in Winchester plastic hull at 1186 fps
7. 1 1/4 oz. in Federal plastic hull at 1091 fps
8. 1 1/4 oz. in Winchester plastic hull at 1136 fps
9. 1 1/8 oz. with GOEX FFFg in Federal paper at 1184 fps
10. 1 1/8 oz. Bismuth in Federal plastic at 1091 fps
I only include the standard target or game loads that were tested

��..BC--...MBC-....AC-..Difference BC vs AC
1)..5725--...5905-..4834--..891 psi
2)..6225--...6065-..5009--..1216 psi
3)..5865--...5325-..5263--..602 psi-.."long cones do reduce pressure"
4)..5845--...5665-..5058--..787 psi
5)..7805--...7845-..7577--..228 psi
6).11,125-.11,045-10,787-..338 psi
7)..6892--...6805-..5953--..939 psi
8)..8765--...8545-..7870--..895 psi
9)..5405--...5265-..4603--..802 psi
10).6765--...6365-..6380--..385 psi

Last edited by Argo44; 10/06/22 07:56 PM.
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