WebIf not you might consider neck turning or better brass like Lapua. Then you need to see if it actually improves your groups or SD's. Even if it measures good you might try different … WebFeb 4, 2024 · Neck turning produces lower SD/ES numbers against non turned brass. It eliminates fliers from uneven seating pressure/neck tension of the bullets. All non-lapua …
Talk to me about the dreaded case neck "Donut" - Sniper
WebJan 1, 2024 · To quickly check a batch of brass for case neck thickness runout, I use the Sinclair Case Neck Sorting Tool. It uses a caliber-specific pilot to hold a case neck under a dial indicator while you spin it, looking for the high and low spots. If you feel the need and want to try neck turning, I can recommend the Sinclair NT-1500 kit. WebFeb 24, 2024 · I anneal once its complete though. I've learned that you don't have to turn the neck if a bullet drops via gravity through the neck of a fired piece of brass with ease. If it does, no need to turn the neck. If it doesn't slide through then you'd need to neck turn. I formed .30-338 Lapua Magnum Improved brass using .338 Lapua ADG brass necking ... how do abundant people think
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WebTurning the case neck a second time after fire-forming will remove those tiny anomalies. This operation is relatively fast. Some reloaders turn the neck twice prior to fire-forming, … WebMar 3, 2024 · @308sako was kind enough to neck turn some of the offending Lapua brass down a bit given I didn't have the tools on hand to be able to run a test. First he did a mandrel to uniform the inside of the necks and then used a Sinclair neck turning tool to cut down the neck wall a bit. Prior to the neck turning, loaded Lapua .260 cases were in the ... http://natoreloading.com/Neck/ how do abscess form