View our Case Length Gauge and Shell Holder offering: http://leeprecision.com/case-conditioning-tools/case-trimming-tools/case-length-gauge-holder/
Please see our listing of Custom Case Length Gauge Overruns for any unlisted calibers. Otherwise, unlisted case length gauges can be custom made.
MidwayUSA also stocks most of our products and several Custom Overrun Gauges. Please see their website for availability.
Custom case length gauges can be made for cartridges that fit an existing shell holder. A list of calibers and their corresponding shell holders can be found in our catalog.
While there is really no maximum caliber, the smallest we can make is .22. We are unable to make case length gauges for the 40 Hanes, 50 Sharpe, 470 Nitro Express, 577/450 Martini-Henry, 500/450 Nitro Express, 517 Snider, and 416 Barret as we don't have a shell holder for the case length gauge that fits the rim of these cases. We also cannot produce a case length gauge for the 17 Ackley Hornet, 17 Remington, 25 ACP or 204 Ruger since it is too small.
We have no plans in producing a case length gauge in the .204 Ruger or any 17 calibers. The case mouth diameters are too small for our Cutter to trim. Our Cutter can only trim cases that have a minimum case mouth diameter of .220"