Bullseye-L Forum
Would you like to react to this message? Create an account in a few clicks or log in to continue.

Temperature sensitivity of N310

+4
10sandxs
Vinkemulder
jglenn21
Texasref
8 posters

Go down

Temperature sensitivity of N310 Empty Temperature sensitivity of N310

Post by Texasref 2/12/2023, 8:38 am

Hello all.
I'm currently running 4.0gns of N310 under a 200gn SWC for 45ACP. They shoot fine in warmer weather but seem to stovepipe in cooler.
Is N310 really that temp. sensitive?
For future reference, what would be the best alternative to this load? I'd like advice on powders other than N310 that have worked for you.
My LGS has a fairly full line of VV, so any other powder I'd be interested in. I really like VV due to it being so clean burning.

Thanks in advance.

Texasref

Posts : 136
Join date : 2020-08-16
Age : 68
Location : Houston

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by jglenn21 2/12/2023, 9:20 am

Tight group or BE would be pretty close
jglenn21
jglenn21

Posts : 2578
Join date : 2015-04-07
Age : 75
Location : monroe , ga

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by Vinkemulder 2/12/2023, 9:49 am

For cold weather, I switch to Winchester WLP primers. That fixes it for me.
Vinkemulder
Vinkemulder

Posts : 58
Join date : 2019-12-10
Location : West Michigan

Steve B likes this post

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by 10sandxs 2/12/2023, 10:14 am


10sandxs

Posts : 939
Join date : 2016-01-29

sayracin likes this post

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by Allgoodhits 2/12/2023, 12:40 pm

VV N310 is fine. 
In cold weather increase load 1-2/10ths, or
Lighter oil, or
Lighter recoil spring, or
Magnum or Winchester primers.

May need 2 or all 4. Increase powder charge is simplist, assuming it is not already a hot load, which 4.0 should not be.
Allgoodhits
Allgoodhits

Posts : 881
Join date : 2017-09-17
Location : Southport, NC

hengehold likes this post

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by tovaert 2/12/2023, 6:59 pm

Alliant e^3 for very low temperature sensitivity. Data posted here somewhere not too long ago.

tovaert

Posts : 428
Join date : 2018-11-28

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by Hammbone 2/12/2023, 7:19 pm

My load is very similar. 3.9gr of N310 and a H&G#68 200gr SWC.

A couple weeks ago I left my gear in my car all day at about 20°F, then went practice that evening. I didn't have any issues with my cold ammo. I'm running a 10lb spring in a Springfield RO with a Kart barrel.

NOW... I did have issues with Norma Tac22 ammo when it got cold. It woule not cycle the slide on my Nelson conversion. I gave up and used some CCI Std Vel I had with me and it worked perfectly.

Hammbone

Posts : 45
Join date : 2016-06-10

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by Allgoodhits 2/13/2023, 1:41 pm

Hammbone wrote:My load is very similar. 3.9gr of N310 and a H&G#68 200gr SWC.

A couple weeks ago I left my gear in my car all day at about 20°F, then went practice that evening. I didn't have any issues with my cold ammo. I'm running a 10lb spring in a Springfield RO with a Kart barrel.

NOW... I did have issues with Norma Tac22 ammo when it got cold. It woule not cycle the slide on my Nelson conversion. I gave up and used some CCI Std Vel I had with me and it worked perfectly.
Ditto with 3.9 VV N310 and 200 gr LSWC & Norma TAC .22
Allgoodhits
Allgoodhits

Posts : 881
Join date : 2017-09-17
Location : Southport, NC

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by hengehold 2/23/2023, 12:13 am

Allgoodhits wrote:VV N310 is fine. 
In cold weather increase load 1-2/10ths, or
Lighter oil, or
Lighter recoil spring, or
Magnum or Winchester primers.

May need 2 or all 4. Increase powder charge is simplist, assuming it is not already a hot load, which 4.0 should not be.

I have experienced the same. Using 4.4gr of N310 behind a 185gr works well in summer but need to add 1-2 tenths of a gr of N310 to keep things cycling smoothly. 

I often thought of switching to a thinner lube to mitigate this issue. Thanks for mentioning it. 
-Trevor

hengehold

Posts : 412
Join date : 2017-11-26
Location : VA

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by Texasref 2/26/2023, 7:10 am

I did take the advice and changed from a grease to oil. Just in time for it to warm up into the 80's around here. It does make a difference in felt recoil, so I'm sure it will help.

Texasref

Posts : 136
Join date : 2020-08-16
Age : 68
Location : Houston

Allgoodhits likes this post

Back to top Go down

Temperature sensitivity of N310 Empty Re: Temperature sensitivity of N310

Post by Sponsored content


Sponsored content


Back to top Go down

Back to top

- Similar topics

 
Permissions in this forum:
You cannot reply to topics in this forum