Reloading blown out .303 -410

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All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should treated as suspect and not used.

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Forum rules
All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.

Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
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Gazza

Re: Reloading blown out .303 -410

#11 Post by Gazza »

Right, I've decided to abandon the blowing out of 303 cases after careful consideration.
I thinned down the head of a 303 case but even though it chambered it wasnt right and it appears the chamfer on the 410 case head is fairy critical on the 410 I have.
Couple that with the cost of three fireforms (3x charges, 3x primers, wads etc) annealing cost, cost of cases and the general fannying around I'll give it a miss.
Looks like Clay and Game for some 410 brass at a quid a go wtf

Does anyone know if Clay and Game in Hull are just an online trader or can mere mortals call in to pick up goods?
I'm over that way shortly so could save myself some delivery costs if I can pick up :good:
RufusRover

Re: Reloading blown out .303 -410

#12 Post by RufusRover »

I fire formed 20 .303 cases a few years ago and found that the rim of the .303 case was too thick and I could close the action of my old side by side .410, they fitted fine in my bolt action .410 though. all said and done a box of Magtech .410 brass is the way to go.
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Dellboy
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Re: Reloading blown out .303 -410

#13 Post by Dellboy »

if you want some 303 to try ive got some cases i can post ,i would say i will bring them when i visit Lantac but im guesing you would like them earlier ... plus i might be binning that idea .
Someone was selling cheap magtech cases at the trafalger meet i could pick some up if he is there ...
2020 GOOD DEALS WITH

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Enjoy today as tomorrow might not come .

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Gazza

Re: Reloading blown out .303 -410

#14 Post by Gazza »

I've given up on the 303's Dell but i'll have some cheap 410 magtech cases if you can get hold of them. :good:
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Dellboy
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Re: Reloading blown out .303 -410

#15 Post by Dellboy »

ok will look at Trafalger meet on 21st
2020 GOOD DEALS WITH

Cutch Vortex Scope
Mauserbill Enfield Books


Enjoy today as tomorrow might not come .

Noli pati a scelestis opprimi.

002515
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