08 August 2019
That sounds good Larry.... but it's your post and you are the only one who knows what you did. A summary of what firearm and load parameters data as per the CBA match requirements would help anyone who wishes to duplicate the load. The 1000 +/- fps load would be fine assuming no one wants to play with the full bore one. Recovering a slow bullet is MUCH easier than and fast one.
Well, 45 2.1, my test was in conjunction with the 30x60 XCB cartridge with the 30 XCB bullet at 2900 fps. As to the lower end velocity tests, that was conducted by goodsteel. Not sure he posts here as he has his own forum. You could ask him there for his test results and procedures. As to mine I shall endeavor to reconstruct the test here but keep in mind, according to the dates on the photos, the test was conducted on 8 January, 2016. The photos were converted to png format on 11 January, 2016 so that is probably when I posted the results here.
I previously asked about a search engine for this forum but received no answer so I can’t find the original post. Thus I am reconstructing the details and results of the test from memory and I’ve conducted a lot of other tests since then. So if this post differs in any way from the original, should you or anyone else find it, I shall default to the original post for any corrections.
The intent of the post was to determine the suitability of the WQ’Alloys penetration and expansion at a probable maximum range for use on deer. Given moa accuracy had been proven with the ternary alloy 30 XCB cast bullet at 2900 fps I received additional criticism and conjecture that the bullet would fragment at any reasonable hunting distance on game because I had stated it should be effective to 300+ yards because the retained velocity at 300 yards was 1900+ fps. The purpose of the test was to determine the terminal performance potential of the bullets at longer range.
To “trap” the bullets with minimal damage I chose to use soggy wet newsprint. Previous tests with that medium proved it gave expansion to cast bullets. Thus I collected a bundle of news print and used target about 18” in depth. Those were placed in a plastic garbage bag (to retain the water), placed in a cardboard box and then thoroughly soaked for several days prior to the test. At my local range (Sarah Park, Lake Havasu, Az) the newsprint bundle/box was palace at the 300 yard line.
At the firing line with solid cent benches I set up the rifle. It was my 30x60 XCB barreled and chambered by goodsteel to the 30x60 XCB cartridge. The barrel is a Broughton 31” Palma contoured stainless with 3 grooves with a measured bore of (Broughton) of .3077x.3003. Goodsteel also measured it confirming those dimensions. When I received the rifle I slugged the bore for groove diameter and came measured 3 different slugs at .3076. I pin gauged the bore and a .300 pin would go in but a .301 would not. The barrel was put on a CZ24 M98 action which I bedded into a Carlson Premier stock. The rifle has a Leupold 6.5x20 target scope on it.
The test rifle;
Concealment is not cover.........