Haven't fired any of my test loads with the Lapua brass yet, but its got to grow in length some.
You will need a dial or electronic calipers to use. In some situations, you may need to buy the optional blank dial for large calibers beyond.
#Forster datum dial professional#
Professional grade measurement of rifle cases to get maximum case life and accuracy for reloading. Would be curious to know what Wolf measures. thingsRP45s Review of Forster Datum Dial. Again, I'm surprised at how short Lapua 6.5 Grendel brass is compared to Hornady. Sorry for the original confusion! Can't zero dial calipers but I should have measured the tool and deducted its length. resized once fired Hornady 123 A-Max cases (only 2 just for this test)-1.215-1.216" factory loaded Hornady 123 A-Max fired in my 24" J&T heavy barrel- 1.219 to 1.221 My tool on the dial calipers measures 2.002". Using my new digital calipers zero'd with Hornady Headspace gauge with the. I remeasured Factory Lapua, Factory Hornady 123 A-Max (2 different lot numbers), and my 2 cases that I've resized with a Redding Full-Length die set firmly against the shellholder of my Forster Co-Ax press( Not overly cammed over in the press but firm contact) Noone caused me to go out and purchase a new digital caliper this afternoon. Your results may differ.Įdited to add: cases measured with my new digital caliper (that I can zero with the tool attached) are in my following post. The Hornady factory cases chambered and shot well in my upper. Looks like the Lapua cases either are sized shorter or the shoulder angle is a little different. Only 2 Hornady factory cases that I've sized in my Forster Co-Ax with firm contact with the shellholder using my new Redding Full-Length die set-3.220"Ĭonfusing results! This is just a test of my components using my calipers and Hornady Headspace gauge with 350 insert. Easy-to-use ammo measurement system gives you the data you need to refine case sizing operations Includes Datum Dial tool, two bullet/cartridge dials. Hornady cases after being fired in my J&T upper- 3.225" average Includes one Datum Dial tool for checking cartridge cases, chart showing common datum diameters, instructions and storage box. Multiple cases measured with repeatable various dimensions: The Forster Datum Dial Ammunition Measurement System gives you the data you need to refine your case sizing operations. I measured factory Hornady 123 A-Max cases, fired cases from my J&T 24" HB upper, and new factory unsized Lapua cases with MY Hornady headspace gauge with the.
I suspect that this relatively new cartridge has various chamber dimensions, shoulder angles, headspace dimensions, etc.
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