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MikedaddyH

Anyone reloading 357 SIG

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Just finished a couple of batches. First was the nickel 357sig cases I had 45 pieces , used 7.2gr of CFE Pistol , Federal 💯 primers at 1.135" to 1.140" . Had to adjust the seating die height because of the change of brass.

The second batch was 140 misc brass 357cases , 8.2gr of Longshot , Federal 💯 primers at 1.140" with the Hornady 142gr FMJ bullets. This load is right at the extrapolated max for this powder. Should be a pretty fast load.

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Ok , the Longshot load of 8.1 gr and the 142gr FMJ is the NEW Range Load !  Didn't Chrono it it but it's fairly stout. It's doesn't flatten the primers or F'up the brass.

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So I picked up another pound of Longshot Saturday and made 363 rounds of my new go to range load.

8.1grains of Longshot - (powder throws between 7.8 to 8.1gr with the Lee Disk .82 )

142gr Hornady FMJ  .355dia

Federal 💯 Champion primer

OAL 1.1375" to 1.1390"

Speer 357sig brass

Tested in Glock 31 & Glock 32 non factory barrels.

 

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