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Old March 28, 2013, 01:55 PM   #1
Barnacle Brad
Senior Member
 
Join Date: March 12, 2009
Location: Greybull, Wyoming
Posts: 187
Triple Seven - again????

I am playing with Triple Seven again - can't find any BP.

1884 Trapdoor Rifle 45-70:

Trying some 405g HB Lee bullets I have cast with 42gr (by weight) of 777 with a large rifle primer in Starline brass.

Seating the bullet to the bottom of the top driving band and slightly compressing the powder (.100 max). Not using a wad under the bullet.

Bullet alloy mixed at 16:1 - testing out at 10-11 BH.

If I can find the paper I will post group size.

Anyone else have experience with this stuff?
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