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I hear necking down Norma 300RSAUM brass is the way to go! Midway still got them in stock

Just checked and Midwayusa has 300RSAUM brass in stock.

Same here!

Might have a 8lbs bottle of retumbo too. Glad I stocked up before the gun craze! Or maybe I have dooms day prep syndrome. Lol Sent from my iPhone using Tapatalk

I have 3 to 4 lbs of 4831sc, 1 all most full 8bls bottle of H1000 Sent from my iPhone using Tapatalk

We all know, It doesn't matter how much you spend on a rifle, if the nut behind the trigger (me) dont do his part then everything will be mute. I wouldn't worry, a 7saum has been proven to work in a short action. Just have to find a good smith and work your load. Who know, you may come across...

My thoughts exactly. Decided on a surgeon 1086 LA with kmw sentinel DBM using 338lm magazine. I too didn't want to be restricted to a alpha mag. Originally wanted to use a surgeon wsm with seekins wsm DBM. Unfortunately, seekins no longer manufacture wsm DBM.

Anyone thought of necking down Rem 300SAUM brass if needed to? Midway had them In stock last week. They are most like out by now though. Sent from my iPhone using Tapatalk

Looking for a gunsmith for my 7SAUM build. I was surfing the forums and came across Gre-Tan Rifles??? Sent from my iPhone using Tapatalk

Just buy a Nightforce and be done with it. IMO is the best bang for your buck.

Re: 7mm SAUM with 180 VLD on short action?? .188 free bore is using a long action. Did you see any pressure spikes with your .318 neck? I was told some experience high pressures earlier than expected during load development and opening their neck from .317 to .319 fix the problem.

Re: 7mm SAUM with 180 VLD on short action?? What's the length of your free bore now? There's a few reports of people having great success with .188 free bore using 180vld's.

Re: 7mm SAUM with 180 VLD on short action?? On your sister build, what dbm and neck dia. will you be using? I heard of necks as tight as .309, .316 for a light neck turn or .320 for no neck turn. I've also read to tight of a neck and and not enough neck clearance can cause problems.

Re: 7mm SAUM with 180 VLD on short action?? Squin, How do you like your KMW Sentinel Stock? Was the wait long? I'm also leaning toward a Long Action build for the same reasons. The consensus around here is to go with a long action versus short.

Re: Seekins WSM BDM What set up were you thinking of running? I'm wanting to build a 7RSAUM in a Surgeon's WSM Action with Seekins WSM DBM all in Mcmillian's A5 Stock. This option would allow me to run 180VLD or 180Hybrid longer (3.1") and still utilize a Short Action.

Re: Seekins WSM BDM Still looking for Seekins WSM BDM

Re: 7mm SAUM with 180 VLD on short action?? I'm also wanting to build a 7SAUM on Surgeons WSM Action fed by Seekins WSM DBM. Unfortunately, Seekins stop making their WSM DBM which would of allowed me to seat 180 Vld's loner (3.1"). Since there's no one else that makes an extended SA Mag. I'm...

Re: Took the 7SAUM to 1650 (Range report) Nice Hope to build a 7SAUM in a Surgeon WSM.

Re: Seekins WSM DBM Alright Thanks

Anyone know where I can find a new or used set of Seekins WSM BDM with mags?