The Zeta6 K-PAK and J-STRIP Update

Since publishing my last article on Zeta6 products I have been in touch with Zeta6’s owner, Michael Lyle. Michael is a unique guy in that he is always willing to accept input on his products. Today I’m going to look at his extensively modified J-Strip, the SYM-Strip, and a product yet to be seen in these pages: the Zeta6 K-PAK.

Disclaimer: though I have been in communication with Michael, I have zero financial interest in the sale of Zeta6 products (though Patrons do receive a discount). The links in this post all go directly to Michael’s website and are not affiliate links.

Zeta6 K-PAK

The Zeta6 K-PAK is a 6-shot reloading tool for S&W K-Frame revolvers. Rather than the more typical 2, 2, 2-arrangment of most reloading strips, this permits  – nay, encourages – loading three rounds at a at a time. The rounds are arranged in a simple offset pattern that allows each set of three the appropriate curvature to match the chambers of the K-Frame. This is a very  neat design.

The obvious expense to this bargain is slightly increased thickness of the loader over a more traditional reloading strip. It is, however, quite a bit shorter, and depending on your carry methodology may be a better fit than a traditional strip. I didn’t find it onerous to carry in a front pocket at all. In fact, after leaving the range I carried a forgotten, loaded K-PAK in my pocket for most of a day.

Currently the K-PAK is only manufactured for the K-Frame. I attempted using it with my L-Frame 686 and while it would sort of work (I notice I’m grimacing as I write that) it didn’t work well. As with the J-Strip, I was surprised at how precise the cartridge alignment is with these products. And nowhere have I been more impressed with the alignment than in the K-PAK; three cartridges fit perfectly in a K-Frame’s cylinder. I would like to see this line expand to include a broader range of revolvers (like the Colt King Cobra, maybe?).

The K-PAK is vaguely reminiscent of the Gunsite Training Center loader we looked at almost three years ago. The Zeta6 K-PAK seems to be a much more workable design, being much smaller, and much more rigid. I’m going to give you a quick look at the new J-Strip, then I’ll talk about my shooting impressions with both.


As I mentioned, I have been in touch with Zeta6’s owner for several months now. Not only has he been in touch with me, he’s been in touch with several noted revolver aficionados including Michael de Bethencourt. One common complaint that Lyle received about the early J-Strip was the single round on one end. The J-Strip’s claim  to fame is the perfect alignment of cartridges to chambers in a 2-2-1 arrangement. In my opinion this created two problems.

First, if the loader came out of the pocket oriented incorrectly, there was a potential to attempt to load the single round and the first round of the next set of two. This was not desirable for many reasons, and tended to foul the whole reload. The second thing that made the original J-Strip less than idea was that its 2-2-1 arrangement didn’t offer a great option for guys like me that only carry 4 on a strip.

If grasped incorrectly, the original J-Strip was prone to loading the single round, then the first round of a set of two.

So, Michael redesigned the J-Strip, called the new version the SYM-Strip (SYM for “symmetrical”), and configured the cartridges 2-1-2. In addition, he also put a tab on both ends of the SYM-Strip instead of the single tab that is found on nearly every other reloading strip on the market. I think that little innovation is worth its salt alone.

If you prefer the original J-Strip it is still available at Zeta6’s site, along with the SYM-Strip. Although it’s not my cup of tea, what works for me might not work for you and vise-versa, and I’m glad to see that the original J-Strip is still available.

Shooting the K-PAK and SYM-Strip

I didn’t get as much range time in with either the K-PAK nor the new SYM-Strip as I would have liked. Aside from being very busy this week, a couple of other projects have the bulk of my attention right now, including an upcoming review of the Colt Python. Still, I did get some rounds on both the Zeta6 K-PAK and SYM-Strip. Bottom line up front: I like them.

The K-PAK’s staggered cartridge arrangement makes the loader quite a bit more rigid than most strips. This lends itself well to peeling off cartridges, which come out more easily than with any similar loading device I’ve used.The loader peels off the rims extremely easily and in my dry practice and live-fire sessions I had no problem with losing rounds.

I do have a complaint about this loader, though. The cartridges are arranged in two opposing curves. Getting the first three rounds into the gun is fast and easy. Unfortunately, getting the second three into the gun takes time. Because the curves are opposing the loader must be rotated (though in fairness, because they are opposing one set of three will always be oriented correctly). I found myself bringing my hand back to my body to support the loader against my ribs to prevent dropping it while rotating. I then brought it back out to meet the gun, consuming precious time.

My times with this loader averaged around 10 seconds in the limited timed runs I did. This is honestly, about on part with most reloading strips, but I feel that extensive practice could speed – and smooth – this considerably. I have been slowly working on an extensive reloading strip comparison article similar to my speedloader comparison in which I will list more comprehensive times.

I was equally impressed with the SYM-Strip. I’ll be honest, I wasn’t sure how much difference this updated model would make to me, but I found the subtle modification to the arrangement and the dual tabs made all the difference in the world. Not to beat a dead horse, but not having to make sure the right end of the loader presented first mitigated a lot of potential problems.

Though I would probably only carry this strip loaded with four rounds, I loaded it with five for all of my practice sessions. Getting the fifth round in was quite a bit easier than with a 6-round strip loaded with six rounds (with no pesky, superfluous round to get in the way). How that stacks up, on the timer, to other reloading strips? Again, we’ll find out in the comparison article I have planned.

The Bottom Line

I didn’t think the original J-Strip was a huge leap forward in reloading strip design. I am pretty impressed with the new SYM-Strip, however. If you carry a J-Frame you should definitely check this one out. When I’m carrying a J-Frame revolver now, one or two of these will be about me, and I wouldn’t mind seeing them available for a few more makes. And if you are one of those rare individuals carrying a K-Frame, you should definitely incorporate the Zeta6 K-PAK into your reload options.

Author: Justin

Justin Carroll is a former MARSOC Marine and veteran of both Iraq and Afghanistan. Leaving service after eight years in the U.S. Marines, Justin continues his involvement with a variety of government agencies to this day. Justin began in late 2016 with an simple idea: provide an source of high-quality information for revolver enthusiasts.

13 thoughts on “The Zeta6 K-PAK and J-STRIP Update”

  1. Very interesting, I’d pick up a couple for my GP-100 if they made them. Out of stock on the site at the moment.

  2. Ordered a couple of SYM-strips to try. Shipped the same day! Free shipping if your order is about $28 or so. User friendly web site.

  3. Groo here
    Did you try then in the K6S??????????????????????????????????
    Ps On the 6 pack try this..
    load the first 3 [usually the out side / top] Then the second 3 with out moving the cylinder.
    Or reverse and do the inner 3 then the outer. holding the cylinder in place.
    Us the police revolver loading method ,, NOT that funky “unaversial” one…….
    That thing was for shooting “games” keeping the barrel down range ]like an auto]
    NOT for running a revolver when you “need ” it……..!!!!!!!!!!!!!!!!!!!!!!!!!!!
    Pps… 34 years at the S.O. 12 with revolvers

    1. Didn’t try the K6S because I don’t own one. Also, didn’t use the URR because that doesn’t really work well with the tool.

  4. I wonder how long they last. All the black colored speed strip type loaders I have from several companies tend to crumble and fall apart in a matter of months. I have some orange Tuff Strips brand that have lived for years.

    1. I guess your mileage may vary. There are a lot of different reports on those – I had set of Tuff Strips get broken just riding in my range bag in a baggie with a bunch of other strips. ON the other hand, I still have the very first set Bianchi Speed Strips I purchased almost 20 years ago. Despite being my most-used strips they haven’t cracked, broken, or bent, and still have their tabs.

      Some of it may have to do with the temperature and possibly humidity where one lives, and maybe some other factors we haven’t figured out yet.

      Also, it’s worth pointing out that Tuff STrips also come in black…

  5. I don’t like strips, but I’d consider buying some of these. I like to support new revolver-oriented products; like the recent Revision CV loader. I bought a few of those and I like them.

  6. When the tab on the 25+ yr old Bianchi strip broke, I remembered your reviews of the Zeta products. The Sym-strip is Much easier and quicker than the Bianchi. Not night/day faster, but with tabs on both ends it’s easier to be more consistent especially against the clock.

    The J-clip is interesting. It will take a lot more practice before I’ll feel fully competent, but I don’t find it ‘that much’ slower than than my HKS.

    If you’re carrying a .38 J-frame, give both of these a try. Inexpensive and they ship VERY quickly.

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