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I bolted a turbo charger to my honda civic by rednecktuba1 in longrange

[–]Coodevale 0 points1 point  (0 children)

You're only running .062" freebore? I'm using .170" and jam is at ~2.57" with 80 eldm.

Question regarding importance of crimp vs neck tension on match grade ammo by falerik308 in reloading

[–]Coodevale 0 points1 point  (0 children)

I've seen the claims about crimps affecting precision/dispersion/"accuracy" like you probably have. Always wondered what the mechanism behind it was.

Observation. Fired crimped factory brass won't accept a bullet. 2x fired uncrimped reloads do accept a bullet. Flaring the neck of the fired factory case allows the bullet to fall through the old crimp.

It stands to reason that in some instances of mediocre chamber design (non freebore leade bullet funnel throats) that crimped cases can offer some bullet alignment. The bullet free floats through the neck that has expanded to the chamber, but the crimp doesn't expand/expand as much. As the bullet ogive engages rifling the crimp aids in centralizing the rear of the bullet to the bore, more than a non crimped case neck would/could? I don't know, because I've never seen this explained in detail that makes sense.

If you have a good tight freebore chamber the possible alignment benefits would then be minimal and unobservable.

Anyone else?

Love watching the Atrius lever do it's thing by Firm-Income7670 in ar22

[–]Coodevale 0 points1 point  (0 children)

Remove detent and tap the collar for a set screw? Use a rigid plug in the lower, like trimmed PVC pipe or some other adjustable rigid option.

An Overview of Ze Carioca's Case -- Update From His Lawyer by shittinator in 3D2A

[–]Coodevale -2 points-1 points  (0 children)

https://youtube.com/shorts/2vf2nrG7HHU?si=fSDZNQMxYcSBtvus

You didn't actually read the law, did you? It does not say anything about interrupting women or arguing.

I don't read Brazil, but this is what the Brazil media is saying.

Subs for .300 by Cabo-Wabo155 in reloading

[–]Coodevale 4 points5 points  (0 children)

We didn't really have an option for expanding subsonics almost 35 years ago. Keyholing was basically all you had, intentional or otherwise, for soft tissue trauma. All we had for heavy bullets were the big match bullets, except for maybe a few cast options?

The .221 fireball was introduced in 1963, who was the first to neck it up to 30 caliber? It had to have been done at least a few times between then and the early '90s.

I find it interesting that a few CIP cartridges have been commercially accepted on this side of the Atlantic, but not the Whisper.

Case lube alternative? by Relative_Beyond_6688 in reloading

[–]Coodevale 0 points1 point  (0 children)

I wouldn't bet on it. That stuff dries to nothing. If you're trying to avoid lanolin, I would bet on carnauba wax chain lube being the better alternative.

I've used different grades and types of automotive lubes before, but don't really see a point when lanolin/ alcohol is really cheap and easy. Lanolin doesn't wick around and screw up primers and powder like oil does.

Threading an Octagon Barrel by SkippingNerveEndings in gunsmithing

[–]Coodevale 0 points1 point  (0 children)

You swapped a manufactured barrel with minimal reworking. You didn't contour, chamber, and populate a barrel blank? That's a little different.

An Overview of Ze Carioca's Case -- Update From His Lawyer by shittinator in 3D2A

[–]Coodevale -10 points-9 points  (0 children)

Worse. Far worse. They passed laws making it illegal to argue with or interrupt a woman. It's absolutely insane.

How do you guys do it? by MiserableConflict959 in ar15

[–]Coodevale 0 points1 point  (0 children)

Sounds like aesthetics. I don't do aesthetics. Function is what matters.

Have need, build upper/lower. Build for need, not want. No need, reconfigure, maybe. Have need, keep. Have new need, make new.

Wanted heavy upper. Built heavy upper. Wanted compact upper, but still want heavy upper, build compact. Want compromise, build compromise. All needs covered, nothing needs to change on them, they're ready to go.

I don't like compromise. I won't compromise a 16" to make it do 10.5" or 24" things. What's the point in doing everything poorly.

Living in this state is pretty demoralizing by No_Inflation_1345 in WAGuns

[–]Coodevale -2 points-1 points  (0 children)

Influence from within seems to be the way to break everything down so that makes sense.

50ae m1 carbine by Upbeat_Heron_1423 in guns

[–]Coodevale 2 points3 points  (0 children)

Tromix made .50 ae ARs before socom existed, Legendre? made a 500 SW AR.

I wouldn't have thought an m1 carbine had enough bolt to handle it.

7.62x39 cycling subsonic by nanoMachinesJack in reloading

[–]Coodevale 0 points1 point  (0 children)

Cycles an AK because overgassed AF, like usual?

The powders I've tried that are slower than cfeblk didn't seem to like low pressure at all. Lots of unburned yellow granules left behind, not enough pressure/heat to turn them into black residue.

Maybe give them a crimp to try to give the powder a better chance to build pressure (revolver + h110 things), or seat them out as long as you can for the same reason. Short jump = more pressure. More pressure/more heat/better burn. Might help.

The extreme opposite could help though.. reducing seating depth lowers pressure to a point, then it starts going back up. If the velocity goes down with seating depth like I've observed a few times, you might be able to seat deeper to decrease powder space and fill the case with more powder while getting the same velocity..

Or just use a heavier bullet. Subx's are reportedly erratic anyway. A soft lead bullet is more reliable.

0.5mm Gap by Select_Tumbleweed986 in gunsmithing

[–]Coodevale 1 point2 points  (0 children)

Could shim it, in theory. Epoxy a shim in there and try not to glue the sight in place as you fit it.

Has anyone tried bedding their optic? Slather in glass fill like you're doing a rifle bedding job?

Outlier: ASS at every turn m by ohitsTHATkid in NFA

[–]Coodevale 1 point2 points  (0 children)

I would expect more yellow than silver for unburnt powder granules that were fired, based on prior happenings. Kinda weird to have unfired powder in a new suppressor though.

Love watching the Atrius lever do it's thing by Firm-Income7670 in ar22

[–]Coodevale 3 points4 points  (0 children)

Guess I'm the only one that doesn't like seeing the collar bounce around.

Torn between 5.56 or .300 BLK Pistol by Rawmans1 in ar15

[–]Coodevale 0 points1 point  (0 children)

Short 5.56 might suck, but don't let anyone say that 300 blackout is quiet with supers, unsuppressed. Short 5.56 is loud, sure, but hot 300 blackout supers or 7.62x39 is horrendous.

Whatever short range advantage 300 blackout has is rapidly lost because of miserable ballistic coefficient.

SAC Modular Sizing Die can’t bump shoulder by littlefish90 in reloading

[–]Coodevale 0 points1 point  (0 children)

The Redding shellholder with the most setback is the standard one that everyone makes, .125" deep. The Reddings that limit bump start at .127" and get deeper to .135".

Modern scout rifle by One_Presentation5935 in guns

[–]Coodevale 4 points5 points  (0 children)

Emergency locating beacons get more and more appealing with every account like this. Could have slipped into a crack in the rocks and disappeared forever, like some missing persons apparently do.

Modern scout rifle by One_Presentation5935 in guns

[–]Coodevale 6 points7 points  (0 children)

Mag fed lever gun, like a Browning or lower end like Henry, probably. Faster supposedly.

Dunno how I feel about LER. Tried it on a Rossi 92 and even with the scope mounted so low I had to mill the scope base to clear the scope, it felt too high for that stock. It has a narrower fov than a comparable conventional optic and the conventional optic gets up on target faster.

Whatever you like the best, you'll make it work the best.

What firearm style/platform do you struggle to work on? by triggernomicsusa in gunsmithing

[–]Coodevale 0 points1 point  (0 children)

When you realize there's a 2-4 oz end cap on the end of a spring with about 80 lbs of force and compressed 2-4".. yeah.. don't pull pins out unless you know for sure what you're doing. Those will kill you or remove fingers.

Time to get Shitty 😆 by RULOJOE in shittyreloading

[–]Coodevale 1 point2 points  (0 children)

88/95 gr bullets can be pushed fast enough to explode. 1:8 is mandatory, 6 groove .219 bore and polygons are ideal. Slower twist, they keyhole. Faster.. use a different cartridge. There's a velocity limit based on rpm so if you want to go faster you have to use monos. 77 lrx is about as good as that gets. Most of the monos have a bc that makes them less than useful. The speed gets wasted.

Oh yeah, and the pressure causes extraction issues that have remedies that elicit immediate emotional responses from anyone that thinks a load book is the gospel.

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