7mm Rem mag primer flowing back into firing pin

This section is for reloading and ammunition only, all loads found in here are used strictly at your own risk, if in doubt ask again.
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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Rburro2

7mm Rem mag primer flowing back into firing pin

#1 Post by Rburro2 »

Hi there everyone anyone else reload 7mm rem mag for target shooting
Im using 168 grn smk hpbt and reloader 22
i have worked the loads from 57 grns to 63 and although there is signs of the primer flowing back im having no other signs of pressure no sticky extraction bolt closes and opens just fine. Im stumped anyone else had the same issue? the rifle is a remington 700 sandero 26" flutted barrel

sign85 any????
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saddler

Re: 7mm Rem mag primer flowing back into firing pin

#2 Post by saddler »

Brass make?
What brand of primer?

Some 700's exhibit primer flow signs purely as a feature of the firing pin hole design, before high-pressures are reached
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Rburro2

Re: 7mm Rem mag primer flowing back into firing pin

#3 Post by Rburro2 »

Hornady and weatherby cases and cci 250 magnum primmers
the weatherby cases are 7mm rem mag cases not 7mm weatherby magnum
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Rburro2

Re: 7mm Rem mag primer flowing back into firing pin

#4 Post by Rburro2 »

thankyou saddler
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