Saturday Movies: The Art and Science of Case Trimming

Saturday Movies – The Art and Science of Case TrimmingA case trimmer is a vital tool for precision hand loading. You want to make sure that your cases are the same length. Today’s Saturday Showcase includes five trimming tools that are both powered and manual operated. They can trim your brass with great precision. Some of these tools can also chamfer the case necks on the inside. The Henderson Gen 3 Power Trimmer – Ultimate Reloader Review Gavin Gear from UltimateReloader.com tested the impressive Henderson Gen 3 Trimmer (V3). Gavin has a detailed write-up available on his website. You can also watch Gavin’s 18.7-minute review video above. Three-way cutters can trim to length, chamfer both the inside and outside at once. This trimmer features a spindle with 1700 RPM and a custom DC Motor made in the USA. The Henderson trimmer is similar to a milling device. The taper means that you don’t need a lot of torque. The Henderson Gen 3 Trimmer produced outstanding cartridge length consistency. This trimmer is easy to use, and it produces consistent results. “CLICK HERE to view the Henderson Gen 2 Trimmer Video Review, which shows you how to change cutter heads and set trim length using 6.5×47 Lapua cases,.260 Remington cases, and.300 Winchester Magnum casings. Erik Cortina’s Full Review of the Giraud Case Trimmer In this video Erik Cortina, from CortinaPrecision.com, offers some very useful and clever tips to help you get the best out of your Giraud case trimmer. The Giraud trimmer has a high degree of precision. It can trim brass with incredible consistency when set up correctly. In the video, Erik trims five pieces of brass in just 15 seconds. He then measures each piece with precision calipers (7:07-8:08). All lengths are within.0005 of a millimeter (half a thousandth). Erik notes that Giraud trimmers index off the case shoulder. You should be able to get consistent trim lengths as long as your brass is fire-formed and has consistent dimensions from base-to shoulder. The trimmer includes a set cartridge-specific bushings which index off the case shoulder. A variable speed control is a nice feature. This trimmer is a great value at $146.20. F-Class John has a video review of the Lyman Case Trim Xpress that shows how to set it up and operate. Frankford Arsenal Universal Case Trimmer for Power Drills This video features a useful tool that attaches with a portable drill. This tool can be used with different diameter collets to trim most common sizes of brass. The universal collet system allows for accurate and consistent trimming of case shoulders. (This does NOT work on straight-walled cartridges). The depth micrometer is built in and allows for quick, precise micro-adjustments. The ejection port for shavings is very handy. The system works very well, especially if you can stabilize the power drill in a single position. This Frankford Arsenal case trimmer is priced at under $65.00 and is a great alternative to high-end powered case trimming machines. It comes with a handy case that holds both the trimmer and collets. Wilson Manual Case Trimmer Wilson, a manufacturer of hand dies and case trimmers, as well as other precision reloading tool, has videos that show the Wilson stainless steel case trimming with micrometer adjustment. The first video shows how to assemble the Wilson trimmer, attach the handle and set the cut-length. This second video shows you how to set up a stainless Wilson trimmer that has a micrometer-controlled cut-length. The micrometer feature lets you set the cartridge trim length with precision. The micrometer control is very useful if you are trimming cartridges of different types. This Primal rights video explains the importance of maintaining precise case lengths to achieve best accuracy and consistent ES/SD. If your trimmer indexes the case shoulders, you’ll need to size your cases before trimming.Similar Posts Tags: Case Trim Express (Erik Cortina), Frankford Arsenal Universal Trimmer (Giraud Trimmer), Henderson Trimmer (Lyman), Neck Chamfering, Primal Right, Ultimate Reloader