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Thread: 9mm AR Barrels Twist Rate

  1. 02-19-2023, 12:32 PM #1
    deltaenterprizes
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    9mm AR Barrels Twist Rate

    I haven’t a PSA 9mm AR with a 1:9 twist rate barrel. This is not optimal for cast boolit shoot unless using 147gr boolits.
    Does anyone make a 1:16 9mm AR barrel?
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  2. 02-19-2023, 08:26 PM #2
    John Taylor
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    You can get a blank here, https://www.shilen.com/calibersAndTwists.html . The blank will need to be contoured, chambered and threaded and a gas port drilled.
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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