TheHumbleMarksman
Sports • Education
Talking about firearms in a sporting context, performance pistol shooting, USPSA, IDPA, and the science and art of being fast and accurate. Behind the scenes look at videos to come.
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Using Small Rifle Primers on my 9 Major loads - Dot movement

So I loaded up 20 rounds of SRP ammo hoping that it would cut down on the variability of the load. Nope.

Well - it's better but not a ton. The extreme spread from my regular small pistol magnum load is 47 FPS. On the Small Rifle primer the extreme spread was 46 FPS. The SD was slightly worse (14.3 vs 14.9) . Conditions were similar - more humid this day but I don't think it'd have materially changed the results.

What I can report is my average velocity did increase with Small Rifle Primers by approximately 28 FPS - so using straight line math - the equivalent of reducing the load by about .2 grains. So if I'm shooting SRP primers - I could load about 9.3 grains of powder versus the 9.5 I am loading with SPPM - which would net me an extra 16 rounds per 1# of powder - (That's 752 rounds per pound versus 736 rounds per pound - assuming no spillage). So probably not worth mentioning. For those that didn't read the prior ammo loading post - the powder I'm using is Shooters World Major Pistol - which is equivalent to Alliant Accurate #7 on relative burn rate - it's slower than the popular Vhita Vhouri powders for open guns slightly and the result is I am getting a lot of unburned powder - which is leading to large extreme spreads.

I noticed - after taking basically 3-4 months off my open guns - how my dot is moving. Multi port compensated guns take on a life of their own as the gas hits the comps. The dot moves left then darts back right then loops up liek it's moving to about the 12:30 position then sort of curves toward 2:30 before looping back down to the point of impact

I'm going to pick up some Winchester AutoComp at the store today to try (assuming they have 1# jugs at Scheels - which they seem to have been recently) and see if I get more reliable combustion. Goal being to get ammo that performs consistently - and then I'm going to evaluate a 115 load versus 124.

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This is what it looks like

So there's it happening - it was a good stage up until that point . You can actually see the issue starting as the gun hangs out of batter entering the position which forced me to rack a round out to get it back into battery - which I handled well. This sequence was paper, mini popper, mini popper activator, distant open target, bobber (didn't engage), partial (didn't engage) - so I ate 4 mikes and 2 procedurals right there. And it still was a 3.44 hit factor.

The good news so now the guns working I look forward to two days of mayhem!

Below - you can see a shock buff - it's a washer, basically that threads onto the guide rod. The theory of what a shock buff does is it alleviates some of the impact when the slide opens all the way - they're usually made out of Delrin or rubber or whatever but this one is aluminum and was supposed to be maintenance free. It kind of compresses the spring a bit more since you don't trim the spring so it makes lighter springs work more like a higher poundage ...

00:00:54
Rained out at the Range - but working on my 50 AE video

I got this pretty epic slow motion in the range of the Deagle going off. that gun is silly fun to shoot. The fireball is massive - I started to chrono the ammo I have for it - it's not as impressive as the fireball would suggest. It's about 1200 FPS with a 300 grain projectile. For comparison - the 6" 10mm with a 180 grain Blazer Brass was doing 180 grains at 1200 FPS.

The 10mm 1911 is pretty tame to shoot - not wildly different form a 45.

I was going to do a video on 10mm ammo and then shoot water jugs and slow motion of them popping - but then the sky opened up on me.

00:00:39
Legacy Firearms Co holsters are pretty legit

Just wanted to share this with you guys as an option you might not have heard of. Good quality, good execution, good designs. I don't have any sort of business relationship with them nor have interacted with them beyond giving them my credit card information. Pretty legit.

https://legacyfirearmsco.com

00:00:29
OA Defense 2311 Pro - 5" - and I'm a dumb dumb.

So sorry for this being posted so last minute - I had this edited like 2-3 weeks ago - conversations were with OAD that it would go live for SHOT - but then they announced it way earlier and I never connected the fact it wasn't attempting to be embargo'd. So I never uploaded it - like an idiot. I finished that drill this morning and never got you guys a preview of it when I DID realize that there wasn't any sort of embargo violation. So yeah. Sorry about that. That all said - I don't know what is about this gun. They - kind of like the Daniel Defense H9 - failed to kind of build on the momentum they started at SHOT 2023 and the conversation seems to have moved past this gun. The early 2311s were not as impressive as this is now - side by side - this is a MUCH better gun than what they were making last year. It's much better fit and the resultant accuracy is improved despite having the ports. My 2311 is production gun - like $600 service pistol accurate - but not 2011 accurate. ...

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History of the 2011 Livestream with Todd Jarrett coming soon

So in making the 2011 evolving video I was trying to get Todd Jarrett to come on. For those unfamiliar - he's been shooting USPSA since nearly the beginning - he was at the forefront of the sport in the 90's while open was coming into it's own and even has his own specialized cartridge - 38 TJ - for Todd Jarret - it's 38 super brass with a modified extractor groove that allows for full size resizing. So I'm really excited about this - it will take place at some point after SHOT but I wanted to put it out there to you guys - what do you want to know about TJ and the history of 2011 development?

I think 2011s are going to become irrelevant
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