One more question to you experienced reloaders:
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Load#160519-8106 (EXPRESS BUCKSHOT)
HULL: CHEDDITE 12ga 2.75”
PRIMER: CH209
PROPELLANT: (ALLIANT) PROREACH 34.0 gr.
WAD: CLBC (Mica dust wad please.) Two long slits plus 18FW20 wad in base.
SHOT: Lead Buckshot #2 stacked in Rows of 3, 5 rows for a total of 15 pellets. (Approx. 425 grains.)
CRIMP: FOLD
RESULTS: PSI 10000 FPS 1565
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I want to load the following recipe in a Cheddite 3" shell and filling up the space with an extra gas seal ... the BPGS seal. Would this increase or lower pressures? Significantly or nothing to worry about?
What is the consensus on the impact on pressure by adding an extra gas seal?
Thanks,
Faustus