When putting a cannelure on a rifle bullet does this lengthen the bullet or create a bulge on either side of the cannelure or both?
When putting a cannelure on a rifle bullet does this lengthen the bullet or create a bulge on either side of the cannelure or both?
Both.
But, only in small amounts.
Not worth notice
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I have measured a diameter difference, around the displaced jacket material right at the cannelure area. I've not ever checked for difference in length.
I have run the cannelured bullet back through the point forming die again to true-up the diameter. You'll (I have) also need to clean up the lead tip if you do this, provided you are dealing with a lead tipped bullet.
As Hickory said; I'm not sure it's worth the notice, but I'm not shooting bench rest with my bullets.
ETA: If I was shooting bench rest; I wouldn't be applying a cannelure anyway.
Last edited by PbHurler; 10-08-2015 at 07:29 AM. Reason: Edited to add
Bob
I have run my cannelured bullets through a push through sizing die to iron out the bulges
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I just run the cannelured bullets through my firearm. That straightens them out right fast and in a hurry. Unless you are using them for BR matches or something, you can shoot the as is.
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 |