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August 12th, 2023

Saturday Movies: The Art and Science of Case Trimming

powder manual case trimming cartridge length trimming henderson wilson lyman giraud gavin gear erik cortina ultimate reloader

A good case trimmer is an essential tool for precision hand-loading. To ensure consistent loads, you want your cases to be the exact same length. Today’s Saturday Showcase features five trimming tools, both powered and manually operated, that can trim your sized brass with great precision. In addition, some of these tools will also chamfer case necks inside and out. The powered case trimmers will save you considerable time (and effort) when working will large batches of brass.

Lead photo shows the Henderson Gen 2 trimmer from Panhandle Precision video review.

Henderson Gen 3 Power Trimmer — Ultimate Reloader Review

Gavin Gear of UltimateReloader.com has tested the impressive Henderson Gen 3 (V3) Trimmer. You’ll find a full write-up on Gavin’s website, and you can watch Gavin’s 18.7-minute video review above.

Gavin states: “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. 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. This trimmer is fast and easy to use and most importantly, returns consistent results.”

CLICK HERE for Henderson Gen 2 Trimmer video review, which shows how to how to set trim length and change cutter heads, using 6.5×47 Lapua, .260 Remington, and .300 Winchester Magnum cases.

Giraud Power Case Trimmer — Full Review by Erik Cortina

In this video, Erik Cortina of CortinaPrecision.com offers some very clever and useful tips that will help you get the most from your Giraud powered case trimmer. The Giraud trimmer is very precise. When set up correctly, it can trim brass with amazing consistency.

Erik Cortina power case trimmer Giraud

In the video, Erik trims 5 pieces of brass in 15 seconds (6:32 mark). He then measures all five with precision calipers (7:00-8:08). All lengths are exact within .0005 (half a thousandth). Erik notes that the Giraud trimmer indexes off the case shoulder. As long as you have fire-formed brass with consistent base-to-shoulder dimensions, you should get very consistent trim lengths.

Lyman Powered Case Trimmer Review

The Lyman Case Trim Xpress is an efficient, precise unit that allows easy adjustment of trim length with a click-adjustable collar. The trimmer comes with a set of cartridge-specific bushings that index off the case shoulder. One nice feature is a variable speed control. For the price, $146.20 on Amazon, this trimmer delivers excellent performance. To see more details, check out F-Class John’s video review of the Lyman Case Trim Xpress which shows set-up and operation.

Frankford Arsenal Universal Case Trimmer (for Power Drills)

This video features a handy tool that attaches to a portable drill. Used with various diameter collets, this can trim most popular sizes of shouldered brass. The universal collet system indexes on case shoulders for precise and consistent trimming (this does NOT work with straight-walled cartridges). The built-in depth micrometer allows for quick and precise micro-adjustments. There is a handy brass shaving ejection port. The system works well, particularly if you can stabilize your power drill in one position. This Frankford Arsenal trimmer, under $65.00 on Amazon, is an affordable alternative to the top-end powered case trimmers. It comes with a handy plastic case that holds the trimmer and collets.

L.E. Wilson Manual Case Trimmer

L.E. Wilson, makers of hand dies, case trimmers and other precision reloading tools, has videos whoe Wilson stainless steel case trimmer with micrometer adjustment (photo below). The first video explains the operation of the Wilson trimmer and shows how to initially assemble the tool, attach the handle, and set the cut length.

This second video shows how to set up the stainless Wilson trimmer with micrometer cut-length control. The micrometer feature allows you to set the cartridge overall trim length with great precision. If you are trimming a variety of different cartridge types, the micrometer cut length control comes in very handy.

BONUS Video: How Important is Consistent Case Length?

This Primal Rights video explains why it is important to maintain precise case lengths if you want best accuracy and most consistent ES/SD. You’ll want to size your cases BEFORE trimming if your trimmer indexes off the case shoulders.

Permalink - Videos, Bullets, Brass, Ammo, Gear Review, Reloading No Comments »

July 18th, 2021

Sanoski Wins Precision Rifle Challenge Shooting 6 Dasher

6mmBR 6 Dasher Ken Sanoski MDT magazine PRS NRL

Berger-sponsored shooter Ken Sanoski claimed the top spot at the 2021 Hornady Precision Rifle Challenge (PRC) Match, winning the Open Division with the highest overall score. The 2021 Hornady PRC event was held July 9-10 outside of Evanston, WY on Hornady’s private ranch. Sanoski competed with an Exodus rifle chambered in 6mm Dasher with Berger 109gr Long Range Hybrid Target (LRHT) projectiles loaded in Lapua brass (fire-formed to 6mm Dasher).

“The Hornady PRC precision rifle series was exactly what you expect from a national-level 2-day match. Strong winds, small targets, and a stacked field of shooters”, commented Sanoski. “My Exodus Rifles in 6mm Dasher using Lapua fire-formed brass and Berger 109gr LRHTs were the winning combination to put me at the top of the leaderboard.”

Berger’s Long Range Hybrid Target projectiles feature an optimized hybrid-ogive design which easily tunes to your rifle, offers superior exterior ballistics, and high Ballistic Coefficients (BCs). Berger BCs are Doppler-verified with less than 1% BC variation. That verified BC helps make ballistic calculations ultra-precise for a high hit percentage.

6mm Dasher — A Winning Wildcat

6mmBR 6 Dasher Ken Sanoski MDT magazine PRS NRL The 6mm Dasher has long been a winning wildcat in the 600-yard and 1000-yard benchrest game. This efficient 6mmBR Improved cartridge, with a 40-degree shoulder, has also been adopted by many top PRS/NRL shooters.

The Dasher, quite simply, offers a winning combination of accuracy, low ES/SD, and moderate recoil. You can run a 105-109gr 6mm bullet at a very accurate 2950 fps node (or even higher in some barrels). And with its 40-degree shoulder, the brass is very stable. The cartridge that wins in benchrest now also wins in PRS.

The only downside to shooting a 6mmBR or 6 Dasher in PRS/NRL were issues with magazine-feeding due to the relatively short Cartridge OAL, compared to a 6mm Creedmoor or 6XC. Thankfully, that feeding issue has been solved via dedicated shorter-length actions and redesigned magazines.

As the practical/tactical game has evolved, with low recoil and high accuracy becoming ever more important, many top competitors have moved to smaller cartridges such as the 6mm Dasher and its parent, the 6mmBR Norma. These cartridges deliver outstanding accuracy plus good barrel life. However, the “short, fat” 6BR/Dasher design doesn’t feed optimally in magazines designed for the .308 Win family of cases. But now there is a turn-key solution from MDT (Modular Driven Technologies) — a magazine perfect for 6BRs and Dashers.

MDT Magazine for 6 Dasher, 6mmBR and Short Cartridges

MDT’s 6mm Dasher/BR magazine fits the parent 6mmBR cartridge and all the popular variants including the 6 BRA, 6 Dasher, and 6 BRX. MDT says this new 12-round magazine is a “one-step solution [delivering] smooth, reliable feeding for the most popular rifle cartridges in precision rifle competitions.”

MDT built this AICS-pattern mag for PRS/NRL competitors and anyone wanting to run 6mmBR-family cartridges in mag-fed actions: “The limiting factor for competitors running 6mm BR variants has been feeding. Until now, the only option has been to purchase an AICS-pattern magazine plus an additional kit to make the magazines work with the shorter cartridges. This solution costs upwards of $100 or more and can require additional tuning to work in most rifles.”

If you can’t afford MDT’s complete $89.99 6mm/Dasher AICS magazine, you can get a mag conversion kit from Primal Rights for half the price — $45.00. This is offered in 4+1 round or 10-round versions. Primal Rights states: “The 6BR AICS Magazine Conversion [delivers] reliable feeding of short standard bolt face cartridges such as the 6BR, 6.5 Grendel, 6 Dasher, and 6BRX. If you have ever tried to run a 6BR [or Dasher] out of a standard un-modified AICS magazine, you were probably met with the same disappointment the rest of us were… unreliable feeding.”

The Primal Rights 6BR AICS Mag Conversion Kit has been tested extensively with 6BR, 6.5 Grendel, 6 Dasher, and 6BRX. For these short cartridges, Primal Rights has logged “thousands of rounds of trouble-free operation” with the Mag mod kit.

Permalink Bullets, Brass, Ammo, Competition, Gear Review, News No Comments »

May 11th, 2017

New $600 Competition Primer Seater from Primal Rights

Seating primers is kind of a “dark art”. Many top shooters prefer to seat “by feel” using a hand tool. Others prefer bench-mounted tools that offer higher work-flow rates — with a good bench tool you can prime more cases in a given amount of time, plus it’s easier on the hands.

There have been many bench-mounted priming options — Forster has a tool, as does RCBS, and Lee. But there is a new player in the game — Primal Rights of South Dakota. And Primal Rights’ new Competition Primer Seater (CPS) may be the most precise bench priming tool yet offered to the public. It is certainly the most expensive. This patented tool costs $600.00! But the CPS delivers something special — superb, repeatable depth control, along with the ability to prime 1000 cases per hour. For some reloaders, that precision + productivity will justify the high price.

The Primal Rights CPS is built like a Swiss watch — the machining is beautiful. It also uses some unique internal engineering to achieve a superb “feel” when priming. Unlike some other tools, it is also very easy to adjust — simply turn a wheel to adjust seating depth. You can see this in the photos — the word “Deeper” with the directional arrow.

Operation of Competition Primer System Shown in Video:

Key Features of the Primal Rights CPS, as stated by the manufacturer:

Speed with Precision: Some priming tools are very fast. Others are very precise. The CPS is the only priming tool to combine both features into a single unit. You can achieve seating depths accurate to within a thousandth of an inch, all while priming at a comfortable rate of over 20 cases per minute. At that pace you can easily prime over a thousand cases per hour.

Precision Primer Seating Depth Control: The CPS has a revolutionary adjustable shell holder system which allows you to raise and lower your case in relation to the priming rod. You can seat the primer deeper or shallower in .001″ increments. The adjustment mechanism has tactile and audible clicks to ensure you stay on your desired seating depth. One click = One thousandth of an inch adjustment.

Integrated Shuttle Feeding System: The CPS uses a manually-operated shuttle system to slide primers from the primer tube into position over the primer rod. This ensures that any jams or misaligned primers are easily and safely discovered by the operator.

Check Out Competition Primer Seater Gear Review on Rifleshooter.com
Our friend Bill at RifleShooter.com has just released a detailed review of Primal Rights’ bench-mounted priming tool. He was very impressed with the Primal Rights CPS, finding that it was fast to use yet very precise, with great feel: “The CPS uses a rotational drive system to seat primers. Unlike the lever systems you’ll normally encounter, this allows you better feel as the primer seats. The CPS is expensive. However, it is a solid tool. Amortize it over the time you’ll be reloading and it’ll be worth every cent. If you load a lot of precision ammunition and have the budget to support it, take a look at the CPS. I found it is a game changer. I wish I had one twenty years ago!” READ REVIEW.

» Read Competition Primer Seater Review on Rifleshooter.com

Permalink Bullets, Brass, Ammo, Gear Review, Reloading 18 Comments »

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