Gavin Gear of UltimateReloader.com recently tested the impressive Henderson Gen 3 (V3) Trimmer. There is a full write-up on Gavin’s website, and you can watch Gavin’s 18.7-minute video review below.

Gavin states: “I met Todd Henderson at SHOT Show and it’s clear that quality control and customer experience are extremely important to him. The Henderson Gen 3 case trimmer is built on an adjustable tri-trim 3-way cutter with different pilots to accommodate different case necks. Three way cutters trim to length and chamfer the inside and outside all at once. This trimmer has a 1700 RPM spindle and a custom DC motor made in the USA. It is made of billet aluminum and has a taper-lock cutting head and is consistent to 0.002″” at least with the same brand of brass. The collets are Brown & Sharpe style collets and are interchangeable with Forster case trimmer collets. Henderson currently offers four collets, and one is supplied with each machine.”

Gavin explains the trimming process: “I had some 6mm Dasher brass I’ve fired a few times and wanted to take down 5-10 thousandths. The Henderson trimmer works much like a milling machine. You do not need much torque because of the way the taper works.”

The Henderson Gen 3 trimmer delivered outstanding cartridge length consistency after trimming: “I was careful to ensure my trimming process was as consistent as possible. I measured the first ten cases I ever trimmed on the unit and found a standard deviation of 0.00047. The extreme spread is actually less than advertised. This trimmer is fast and easy to use and most importantly, returns consistent results.”

F-Class John Review of Henderson Gen 3 Trimmer

Our Editor F-Class John has also reviewed the Henderson Trimmer. He liked the product so much he purchased one, and he uses it regularly now to trim his .284 Win cases for F-Open competition.

John liked the precision of the Henderson trimmer and the overall design of the machine, which offers good ergonomics and very precise alignment of the cases. Cycling is smooth and positive, as you can see from the videos. Fit over the pilot was fine for John’s .284 Win brass, but he notes that other users may need to expand their case necks appropriately to fit their pilot.

Watch the video to see the Henderson trimmer in action. The dual, parallel horizontal support shafts provide precise alignment of the case as it moves inward toward the cutter blade. The Taper-Lock cutter provides a 14-degree inside chamfer and 30-degree outside chamfer. The trimming process is very consistent case after case, and the Henderson’s design captures brass shavings effectively.

For this Saturday-at-the-Movies session we offer a selection of videos featuring interesting tools and products for handloaders. If you spend much time in your reloading room, these tools can save you time and help you load better ammo in less time. Today’s feature products range from sophisticated, premium tools such as 21st Century powered neck-turning lathe, to basic add-ons such as Lee Breech Lock Bushings, which are very handy if you load a variety of cartridge types.

21st Century Powered Neck-Turning Lathe

Power is activated by the red button on the end of the blue, horizontal feed handle:

Do you neck-turn hundreds of cases annually? Then you deserve this outstanding tool. The 21st Century Innovation Powered Neck-Turning Lathe may well be quite simply the best system ever created for quickly and precisely uniforming (and reducing) the neckwall thickness of cartridge brass. We have the original manual 21st Century neck-turning lathe, and can attest that it works great. With this powered system you can turn necks faster and more efficiently, with less effort. This is like going from a stick shift to an automatic transmission. The cases feed very smoothly and the results are beautiful. Note: The videos show the version as first marketed by 21st Century Shooting, which now operates as 21st Century Innovation.

The Powered Neck-Turning lathe is a modular system. Swing the bar from right to left to feed the case. The power head (with case holder) glides on stainless steel rails for smooth movement. This allows very precise feed rate. Power is supplied via a button that is built into the end of the feed handle. Push the red button to make the case spin. It’s as simple as that.

Hornady OAL Tool and Hornady Bullet Comparator

Gun Tech Steve Ostrem explains how to properly use Hornady’s Overall Length Gauge to determine length-to-land precisely. The OAL Gauge uses a “Modified Case” that threads onto the tool and holds a bullet. Push on the back of the gauge until you feel the bullet just touch the rifling. (We do this gently at first, tapping the rod a couple time to ensure the bullet is aligned correctly). Once you’ve got the length, then use the tool with a comparator on your calipers to get the length-to-lands. NOTE: We recommend taking the measurement 3-4 times in a row to get a reliable number. With a little practice your should be able to get repeatable measurements within .0015″.

Henderson Power Case Trimming/Chamfering Machine Test

F-Class John tests some of the finest reloading and shooting equipment you can buy. Recently he added the impressive Henderson Gen 3 Powered Trimmer to his inventory of tools. John is now a Henderson fan. He likes the speed, precision, and repeatability of the $779.00 Henderson machine, which trims-to-length and chamfers the case mouth all in one pass. Unlike some other trimming tools, the Henderson indexes off the overall case length NOT the shoulder. John found this worked just fine for his .284 Winchester brass, which has all been full-length sized prior to trimming.

Watch the video to see the Henderson trimmer in action. The dual, parallel horizontal support shafts provide precise alignment of the case as it moves inward toward the cutter blade. The Taper-Lock cutter provides a 14-degree inside chamfer and 30-degree outside chamfer. The trimming process is very consistent case after case, and the Henderson’s design captures brass shavings effectively.

This related video shows a comparison with the popular Giraud Powder Trimer

As noted in this comparison, John liked the precision of the Henderson trimmer and the overall design of the machine, which offers good ergonomics and very precise alignment of the cases. Cycling is smooth and positive, as you can see from the videos. The Giraud is also an excellent machine for bulk trimming/chamfering but the Henderson has some advantages.

Concentricity Checking with Accuracy One Gauge

Every serious hand-loader needs a quality concentricity gauge. The Accuracy One Concentricity Gauge boasts a smart design that delivers precise, repeatable results. We like the unit’s easy adjustability and its ability to work in a variety of configurations. The Accuracy One Gauge measures internal and external neck runout of cartridge cases as well as seated bullet runout. It can also measure the runout of the ogive, bearing surface, and boat-tail of individual bullets. And it can even measure your primer pocket runout.

Tools Galore — Affordable Tools and Accessories for Reloaders

This detailed 15-minute video from the Bolt Action Reloading YouTube Channels, features a variety of lower-cost products/tool that help with key reloading tasks. The video looks at hand priming tools, case prep tools, Lyman stepped loading blocks, powder tricklers, expander mandrels, powder trickler, long-tube funnels and more! If you are getting started in hand-loading, this is a very helpful video to watch. It covers a lot of ground, illustrating options for tool types.

This Lyman case prep tool is one of many products reviewed in this 15-minute video.

Gavin Gear of UltimateReloader.com recently tested the impressive Henderson Gen 3 (V3) Trimmer. There is a full write-up on Gavin’s website, and you can watch Gavin’s 18.7-minute video review below.

Gavin states: “I met Todd Henderson at SHOT Show and it’s clear that quality control and customer experience are extremely important to him. The Henderson Gen 3 case trimmer is built on an adjustable tri-trim 3-way cutter with different pilots to accommodate different case necks. Three way cutters trim to length and chamfer the inside and outside all at once. This trimmer has a 1700 RPM spindle and a custom DC motor made in the USA. It is made of billet aluminum and has a taper-lock cutting head and is consistent to 0.002″” at least with the same brand of brass. The collets are Brown & Sharpe style collets and are interchangeable with Forster case trimmer collets. Henderson currently offers four collets, and one is supplied with each machine.”

Gavin explains the trimming process: “I had some 6mm Dasher brass I’ve fired a few times and wanted to take down 5-10 thousandths. The Henderson trimmer works much like a milling machine. You do not need much torque because of the way the taper works.”

The Henderson Gen 3 trimmer delivered outstanding cartridge length consistency after trimming: “I was careful to ensure my trimming process was as consistent as possible. I measured the first ten cases I ever trimmed on the unit and found a standard deviation of 0.00047. The extreme spread is actually less than advertised. This trimmer is fast and easy to use and most importantly, returns consistent results.”

F-Class John Review of Henderson Gen 3 Trimmer

Our Editor F-Class John has also reviewed the Henderson Trimmer. He liked the product so much he purchased one, and he uses it regularly now to trim his .284 Win cases for F-Open competition.

John liked the precision of the Henderson trimmer and the overall design of the machine, which offers good ergonomics and very precise alignment of the cases. Cycling is smooth and positive, as you can see from the videos. Fit over the pilot was fine for John’s .284 Win brass, but he notes that other users may need to expand their case necks appropriately to fit their pilot.

Watch the video to see the Henderson trimmer in action. The dual, parallel horizontal support shafts provide precise alignment of the case as it moves inward toward the cutter blade. The Taper-Lock cutter provides a 14-degree inside chamfer and 30-degree outside chamfer. The trimming process is very consistent case after case, and the Henderson’s design captures brass shavings effectively.

For this Saturday-at-the-Movies session we offer a selection of videos featuring interesting tools and products for handloaders. If you spend much time in your reloading room, these tools can save you time and help you load better ammo in less time. Today’s feature products range from sophisticated, premium tools such as 21st Century powered neck-turning lathe, to basic add-ons such as Lee Breech Lock Bushings, which are very handy if you load a variety of cartridge types.

21st Century Powered Neck-Turning Lathe

Power is activated by the red button on the end of the blue, horizontal feed handle:

Do you neck-turn hundreds of cases annually? Then you deserve this outstanding tool. The 21st Century Innovation Powered Neck-Turning Lathe may well be quite simply the best system ever created for quickly and precisely uniforming (and reducing) the neckwall thickness of cartridge brass. We have the original manual 21st Century neck-turning lathe, and can attest that it works great. With this powered system you can turn necks faster and more efficiently, with less effort. This is like going from a stick shift to an automatic transmission. The cases feed very smoothly and the results are beautiful. Note: The videos show the version as first marketed by 21st Century Shooting, which now operates as 21st Century Innovation.

The Powered Neck-Turning lathe is a modular system. Swing the bar from right to left to feed the case. The power head (with case holder) glides on stainless steel rails for smooth movement. This allows very precise feed rate. Power is supplied via a button that is built into the end of the feed handle. Push the red button to make the case spin. It’s as simple as that.

Hornady OAL Tool and Hornady Bullet Comparator

Gun Tech Steve Ostrem explains how to properly use Hornady’s Overall Length Gauge to determine length-to-land precisely. The OAL Gauge uses a “Modified Case” that threads onto the tool and holds a bullet. Push on the back of the gauge until you feel the bullet just touch the rifling. (We do this gently at first, tapping the rod a couple time to ensure the bullet is aligned correctly). Once you’ve got the length, then use the tool with a comparator on your calipers to get the length-to-lands. NOTE: We recommend taking the measurement 3-4 times in a row to get a reliable number. With a little practice your should be able to get repeatable measurements within .0015″.

Henderson Power Case Trimming/Chamfering Machine Test

F-Class John tests some of the finest reloading and shooting equipment you can buy. Recently he added the impressive Henderson Gen 3 Powered Trimmer to his inventory of tools. John is now a Henderson fan. He likes the speed, precision, and repeatability of the $779.00 Henderson machine, which trims-to-length and chamfers the case mouth all in one pass. Unlike some other trimming tools, the Henderson indexes off the overall case length NOT the shoulder. John found this worked just fine for his .284 Winchester brass, which has all been full-length sized prior to trimming.

Watch the video to see the Henderson trimmer in action. The dual, parallel horizontal support shafts provide precise alignment of the case as it moves inward toward the cutter blade. The Taper-Lock cutter provides a 14-degree inside chamfer and 30-degree outside chamfer. The trimming process is very consistent case after case, and the Henderson’s design captures brass shavings effectively.

This related video shows a comparison with the popular Giraud Powder Trimer

As noted in this comparison, John liked the precision of the Henderson trimmer and the overall design of the machine, which offers good ergonomics and very precise alignment of the cases. Cycling is smooth and positive, as you can see from the videos. The Giraud is also an excellent machine for bulk trimming/chamfering but the Henderson has some advantages.

Concentricity Checking with Accuracy One Gauge

Every serious hand-loader needs a quality concentricity gauge. The Accuracy One Concentricity Gauge boasts a smart design that delivers precise, repeatable results. We like the unit’s easy adjustability and its ability to work in a variety of configurations. The Accuracy One Gauge measures internal and external neck runout of cartridge cases as well as seated bullet runout. It can also measure the runout of the ogive, bearing surface, and boat-tail of individual bullets. And it can even measure your primer pocket runout.

Lee Die Lock Rings and Spline Drive Breech Lock Bushings

In this recent video Gavin Gear reviews three types of die accessories from LEE. These work for virtually all standard dies, not just LEE-brand reloading dies. The new LEE basic silver-finish die lock rings now feature splines for enhanced grip and compatibility with LEE’s new die lock ring wrench (photo right). They still boast a rubber 0-Ring that helps “float” the die for improved concentricity. Gavin also reviews Lee’s Spline Drive Breech Lock Bushings for use with presses fitted with LEE’s Breech Lock system. These Breech Lock bushings allow rapid change-out of dies without modifying the setting. The colorful new bushings feature splines on top that work with the new Lee Lock ring wrench shown above. In addition, the Breech Lock Bushings have a clamp to preserve die depth setting.

Tools Galore — Affordable Tools and Accessories for Reloaders

This detailed 15-minute video from the Bolt Action Reloading YouTube Channels, features a variety of lower-cost products/tool that help with key reloading tasks. The video looks at hand priming tools, case prep tools, Lyman stepped loading blocks, powder tricklers, expander mandrels, powder trickler, long-tube funnels and more! If you are getting started in hand-loading, this is a very helpful video to watch. It covers a lot of ground, illustrating options for tool types.

This Lyman case prep tool is one of many products reviewed in this 15-minute video.

Our friend and colleague F-Class John tests some of the finest reloading and shooting equipment you can buy. Recently he added the impressive Henderson Gen 3 Powered Trimmer to his inventory of tools. John is now a Henderson fan. He likes the speed, precision, and repeatability of the $779.00 Henderson machine, which trims-to-length and chamfers the case mouth all in one pass. Unlike some other trimming tools, the Henderson indexes off the overall case length NOT the shoulder. John found this worked just fine for his .284 Winchester brass, which has all been full-length sized prior to trimming.

John liked the precision of the Henderson trimmer and the overall design of the machine, which offers good ergonomics and very precise alignment of the cases. Cycling is smooth and positive, as you can see from the videos. Fit over the pilot was fine for John’s .284 Win brass, but he notes that other users may need to expand their case necks appropriately to fit their pilot.

Watch the video to see the Henderson trimmer in action. The dual, parallel horizontal support shafts provide precise alignment of the case as it moves inward toward the cutter blade. The Taper-Lock cutter provides a 14-degree inside chamfer and 30-degree outside chamfer. The trimming process is very consistent case after case, and the Henderson’s design captures brass shavings effectively.

Testing Trim Length Consistency — Henderson Shows Superb Repeatability
John did a separate quick test to demonstrate the trim length consistency of the Henderson unit. Measuring with digital calipers, John found that he could easily hold case overall trim lengths within .001″ (one-thousandth). The consistency was excellent even when trimming cases very quickly. When trimming .003″ off his cases, John said the Henderson showed superb repeatability. Henderson promises the trimmer “will repeat to within 0.002″ with same brand brass”, and John was able to hold 0.001″ length consistency.

Another Henderson owner posted: “I love mine. I like [the] consistent trim length with the positive stop. [Doing] the trim, chamfer, and debur all in one step sure makes the process nice and easy! I also immediately noticed the problem with the pilot on the cutting head with my sized cases. I just polished the pilots on my cutting heads with some fine grit sand paper a little at a time till I got it perfect for my preferred neck tension setting! I’m very pleased with my purchase of the Henderson precision trimmer.”

Henderson Power Trimmer vs. Giraud Power Trimmer

After he tested his new Henderson trimmer, F-Class John compared the pros and cons of the Henderson vs. his other high-volume power trimmer, a Giraud. He likes both machines, but now favors the Henderson for trimming his .284 Winchester match brass. He found that his ES/SD dropped a bit for brass trimmed with the Henderson vs. brass trimmed with the Giraud. With the Henderson-trimmed brass, John achieved an ES of 15 fps for 49 shots. That’s mighty impressive (see photo at right).

But the Giraud does have it’s advantages. It can work with calibers above .338, and it is very fast. One viewer of this video commented: “The Giraud is insanely fast if you aren’t only loading insane precision ammo. I borrowed one when I first started reloading and immediately ordered one. I’ve trimmed somewhere between 40-50k .223 cases. You can just rip through them while watching TV or listening to a podcast. It trims to length consistently less than +/-.001 all day.” The Giraud also indexes off the shoulder while the Henderson trims based on Cartridge Overall Length (OAL).

Henderson Gen 3 Trimmer Details

The Henderson Trimmer is available from HendersonPrecision.com for $779.00. When ordering, you must select a caliber and a collet size. Expect to wait a bit for delivery, depending on the cartridge type(s) you load. Available calibers are: .223, .243 (6mm), .25, .264 (6.5mm), .277, .284 (7mm), .308, and .338.

Product Description: The Gen 3 powered case trimmer uses a powerful, single-speed DC motor. The DC motor is extremely smooth and quiet and powers the spindle at around 1700 rpm. The enclosed aluminum motor mount shroud bolts directly to the bearing housing. The 90-volt DC motor offers maximum torque at 1700 rpm where you need it most. The motor has an in-line on/off switch for easy control. The Tri-Trim case trimmer includes one Henderson Precision Taper-Lock cutting head with Forster pilots as well as one Forster collet. The Taper-Lock cutter provides a 14 degree inside chamfer and 30 degree outside chamfer. The following cutter heads are available: 224, 243, 25, 264, 277, 284, 308, 338.