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+--- Thread: Crimp or NOT (/showthread.php?tid=23685)
Crimp or NOT - Velocity - 09-01-2021
I've reloaded a lot of ammo but never little Stingers "5.56" like these.
What is your opinion on Crimping 55 gr. Projectiles?
AR-15 Semi-Auto.
Crimp or NOT - Old Bob - 09-01-2021
I use a light taper crimp on all ammo I shoot in semi-auto rifles. I do it because I have had some bullet set-backs during firing. In bolt guns, no crimp.
Crimp or NOT - Klem - 09-01-2021
Velocity,
There are previous threads talking about this in 6.5 Grendel via the Search box.
The old M193 (55gn) ammo was crimped for use in an auto-loader. Same with SS109/M855 - to keep it together on violent loading and military abuse. You can however achieve similar integrity without crimping.
Crimp or NOT - riuma - 09-01-2021
I crimp everything with a Lee Factory Crimp Die. If Lee doesn't make one, I have them make it.~Riuma
Crimp or NOT - biodsl - 09-02-2021
riuma Wrote:I crimp everything with a Lee Factory Crimp Die.
I've done the same for the last year. My groups are slightly improved and more consistent.
Crimp or NOT - riuma - 09-02-2021
I don't consider a load finished without a Lee FCD crimp. I also use the Lee Universal Neck "expander" die (it really just imparts a very slight flare on the case mouth) to assist in starting the bullets. Even flat base seat like you forgot to size the case; smooth and straight. A crimp takes out the slight flare. ~Riuma
Crimp or NOT - Remington Jim - 08-07-2022
[quote=riuma]I crimp everything with a Lee Factory Crimp Die.
I crimp too with the Lee die . Now have you done tests with and with out crimping ? If so your findings Please . Thxs
Open to ANYONE for info Please . Cheers
I crimp for es and accuracy
Crimp or NOT - CJW - 08-07-2022
I crimp big guns .375 & .416 tested both with crimp and no crimp. Either way the bullets did not come forward at all
The .375 does not have bad recoil at all .the .416 will get you in touch with your inter self.