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Thread: Fit long Colt cylinder to S&W Brazilian Model 1917

  1. #1
    Boolit Buddy
    Join Date
    May 2016
    Location
    Missouri
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    221

    Fit long Colt cylinder to S&W Brazilian Model 1917

    Is it possible to fit a second cylinder in 45 LC to S&W 1917 45 ACP Brazilian contract piston ?Where would I look for a spare cylinder?

  2. #2
    Boolit Grand Master Outpost75's Avatar
    Join Date
    May 2013
    Location
    over the hill, out in the woods and far away
    Posts
    10,153
    John Taylor did my M1917. Best is to find an N-frame cylinder for a Model 28 Highway Patrolman and have it line-bored, rechambered and fitted. Frame lug also needs to be replaced to permit cylinder to be set back to provide correct head clearance with .45 Colt. On mine he used a .44 Magnum cylinder from a Model 29. He left the cylinder full length so that case heads were recessed and barrel extension where it protrudes into frame window shortened so that I could load rounds up to 1.66" overall length, also having barrel butt well supported by the frame. Cylinder throats are .4525".
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check