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I got my Worlds Finest Trimmers for .223 and .308 a couple of months ago. They do a great job. Set up to desired length was a little tricky but once set its consistent and super quick. Probably trim 4-6 cases per minute easily.
Before buying the WFT I read up a lot on the product, since it isn't cheap, and all the great reviews made me buy it. One thing gets overlooked a lot though in all the reviews and that is how this tool measures case length. Unlike trimmers like a Hornady Cam-lock or similar ones, the WFT doesn't measure the entire case. Instead (and I hope I'm explaining this right) it measures the amount of neck length in relation to the shoulder. So based on how far back the shoulder is bumped the length of the case length is shortened by the trimmer.
This causes an issue if you're not bumping shoulders back at all and only neck sizing e.g. with Lee Collet dies. For my bolt gun when I FL size I bump the should to 0.002" over ANSI minimum. As the shoulder moves up after each firing and neck sizing the neck will no longer come in contact with the cutter in the WFT. Not that brass stretches a ton with the Lee Collet but it does make a difference when you're OCD with your brass prep.
Also if you buy new brass, or once fired, remember that a lot of manufacturers will bump the shoulders back a ton to ensure reliable loading in a wide variety of rifles. With my AR I bump the shoulder right to ANSI min. so I set the trimmer based on that. I trim my brass to 1.750". Today I broke out a new batch of once fired Freedom Munitions brass, and the shoulder before resizing was -0.003", yet the brass length was 1.763" (tsk tsk Freedom Munitions, but that's a different issue). So when running the sized brass through the trimmer with the low shoulder everything would've ended up at 1.745"...after running one piece through I broke out the Hornady cam-lock and did it the old fashioned way. I will use the WFT again once the shoulder moves up enough.
This is in no way me criticizing this product. These trimmers are great but I think it's important for people to understand the limitations, and for this info to be out there for those looking into getting one.
Before buying the WFT I read up a lot on the product, since it isn't cheap, and all the great reviews made me buy it. One thing gets overlooked a lot though in all the reviews and that is how this tool measures case length. Unlike trimmers like a Hornady Cam-lock or similar ones, the WFT doesn't measure the entire case. Instead (and I hope I'm explaining this right) it measures the amount of neck length in relation to the shoulder. So based on how far back the shoulder is bumped the length of the case length is shortened by the trimmer.
This causes an issue if you're not bumping shoulders back at all and only neck sizing e.g. with Lee Collet dies. For my bolt gun when I FL size I bump the should to 0.002" over ANSI minimum. As the shoulder moves up after each firing and neck sizing the neck will no longer come in contact with the cutter in the WFT. Not that brass stretches a ton with the Lee Collet but it does make a difference when you're OCD with your brass prep.
Also if you buy new brass, or once fired, remember that a lot of manufacturers will bump the shoulders back a ton to ensure reliable loading in a wide variety of rifles. With my AR I bump the shoulder right to ANSI min. so I set the trimmer based on that. I trim my brass to 1.750". Today I broke out a new batch of once fired Freedom Munitions brass, and the shoulder before resizing was -0.003", yet the brass length was 1.763" (tsk tsk Freedom Munitions, but that's a different issue). So when running the sized brass through the trimmer with the low shoulder everything would've ended up at 1.745"...after running one piece through I broke out the Hornady cam-lock and did it the old fashioned way. I will use the WFT again once the shoulder moves up enough.
This is in no way me criticizing this product. These trimmers are great but I think it's important for people to understand the limitations, and for this info to be out there for those looking into getting one.
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