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I've read similar breach face erosion stories. My 9 major load is probably 45k ish psi, and I use rifle primers. No issues at that pressure.

You really need to define "doing well" in your context.

That said, you will spend more time than money to "do well" by most definitions.

I have a Guardian in 9mm, which a bobtailed lightweight commander. It's very nice.

I'm a super gamer fag, that said this seems like a conversation in search of a problem.

Are you safely behind cover with a lull in the action? Keep that partial if you like, method is...

It does look like a slightly crooked bullet. It's hard to tell for sure with the lighting and reflections on the case. The FCD is setup for .355 bullets, which is a potential accuracy problem if...

Hmm. What are you crimping to?

It sounds like the bullets may be seating crooked. Is the bulge all the way around the case or just out one side?

I ran into this on an XDM I briefly shot. It was actually the tip of my index finger on my support hand. I ended up cutting the release button down to get it out of the way.

I bought one on a whim. I took it apart to see if I could polish it up/ get the trigger pull a bit lighter, dead end. The internals are actually nicely smooth and the contact points are polished at...

What Peally said. I would also have him start learning how to visualize and execute a plan. Don't worry about him having a good plan or anything, just that he visualized it. That will also help...

GJM, have you worked with any new dot shooters?

I'm making this up as I type so call this a rough draft.

My gut answer is a couple months, but it's highly dependant on time spent per day,...

I caught that, here's the full quote for anyone following along:

My point is there's no need to ever zero a dot close, you can still shoot accurately at close range with a 25 yard zero just fine,...

My stance is from someone who is not a world class shooter, but I have actually shot matches with several. I know full well what technical shooting situations favor a dot, being able to exploit that...

Like you said, that distance will depend on individual skill, but a dot will carry you further, fast than irons.

Whether that distance is relevant to a self defense situation is another question. ...

I'm not making a SD v Comp argument. The A zone on an IPSC metric target is commonly known size. The point about GM shooting speed is that if you're only really concerned with relatively close...

Here's the thing, it does take a not insignificant amount of dry fire time to get comfortable with a dot. Whether that's due to a late start when compared to growing up with irons or not, I don't...

Fair points gents.

Keep in mind this was an undergrad's project. USAFA doesn't have a graduate program, and doesn't have undergrads acting as work proxies for professors.

The audio clip he refers to delves into it a bit more. There were four categories of shooters, from just got their CHL, to "Instructor" level (B class and up in USPSA).

I posted this in another thread:

Assuming you think USPSA has their shit in a sock for classifiers, the following are for a clean run (all Alphas) to get a 100% score:
Fluffy's Revenge 2; a close...

I have only ever heard one potential application. If a person went and bought a gun, waited, then used it to kill someone it could be used to prove pre-meditation. It sounds a bit fanciful, but I...

The Chen mainspring housing/magwell blending looks great. Tastefully understated.

Giant win of a design is functionality similar (dump the stupid crap like rpm and date/time) to a pocket pro 2, but durable and water resistant, and the kicker is doing it on price point while...

A lightweight bolt carrier with a standard gas block will almost be guaranteed to be over gassed and nasty to shoot.

I can actually somewhat answer the dot/irons question.

I stopped shooting irons with any regularity (essentially no dry fire, and only occasionally take an iron sighted gun to the range to screw...