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AR15.COM
8/19/2017 11:35:05 PM EDT
So when you get a new home or self defense gun that you really love and know you are going to carry/use. How many rounds of that ultra expensive self-defense ammo do you dump through it to make sure it runs well in your new gun? The below is my new intended home defense gun; G35 w/ RMR w/ Hornady Critical Duty.

I think I am going to do around 40 rounds with the Hornady ammo. Full up mag with one in the chamber, shoot maybe six rounds. Then I will do a mag change and test the second full up (19 rounds) from a reload. Those are Dawson Precision basepads. Then shoot multiple strings with partially full mags until I go through the 40 rounds, switching between the mags as they dwindle; 12 rounds left, 6, 3, etc. Both round in the chamber and dry. Shooting from slide locked back and racking slide; 50/50.

What am I missing? What could I do better?

Attached File
8/19/2017 11:40:06 PM EDT
[#1]
40 rounds ain't gonna do it. My go to guns have minimum 500 rounds of defense grade ammo through them.
8/19/2017 11:49:41 PM EDT
[#2]
Quote History
Quoted:
40 rounds ain't gonna do it. My go to guns have minimum 500 rounds of defense grade ammo through them.
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Honestly, you can do standard hollow points for around $.20 a round, usually remanufactured. Top of the line self defense ammo goes for just below a buck a round for 40. I am good with  pushing 500 rounds of ammo through a self defense gun to insure function. But are you talking about 500 rounds of self defense ammo at around a buck a round?
8/20/2017 12:09:33 AM EDT
[#3]
I frequently hear @500 rounds of defense ammo as the beacon. My budget does not allow such. 500 ball for break in and a box of 50 defense for functional testing is what I do. Plus finding Winchester  ranger T or Federal HST in .45 auto was not and is not supper common. I'll gladly take sources that sell to civilians though.

If money and ammo not an issue I'd go 1k defense but I'll do what I can, and honestly I'll take never fired a round over find the nearest sharpest stick.
8/20/2017 12:12:47 AM EDT
[#4]
It's a Glock. It's a given that it will work 
8/20/2017 12:13:12 AM EDT
[#5]
87 is always the answer.
8/20/2017 12:13:53 AM EDT
[#6]
Quote History
Quoted:


Honestly, you can do standard hollow points for around $.20 a round, usually remanufactured. Top of the line self defense ammo goes for just below a buck a round for 40. I am good with  pushing 500 rounds of ammo through a self defense gun to insure function. But are you talking about 500 rounds of self defense ammo at around a buck a round?
View Quote
Recoil has .40 HST for under $17 a box of 50. Add shipping and you are still under 50 cents a round.
8/20/2017 12:19:55 AM EDT
[#7]
150 rounds of FMJ and 50 rounds of HST. If it feeds 50 rounds it'll feed 200, no point other than throwing money away.
8/20/2017 12:24:08 AM EDT
[#8]
50 bucks worth. That usually equates to about 100 rounds of in my case, Federal HST LEO ammo from SGammo.com
8/20/2017 12:28:37 AM EDT
[#9]
Quote History
Quoted:


Recoil has .40 HST for under $17 a box of 50. Add shipping and you are still under 50 cents a round.
View Quote
Link? I will fo hard.
8/20/2017 12:29:26 AM EDT
[#10]
Quote History
Quoted:


Link? I will fo hard.
View Quote
Recoil 180gr .40HST (Site sponsor also)
8/20/2017 12:32:00 AM EDT
[#11]
Quote History
Quoted:
150 rounds of FMJ and 50 rounds of HST. If it feeds 50 rounds it'll feed 200, no point other than throwing money away.
View Quote
This is what I do usually.

I alternated the ammo when I took my shield to the range. 50 rounds of fmj, 25 rounds of hst, 50 fmj, another 25 rounds then another hundred or so of fmj
8/20/2017 12:35:23 AM EDT
[#12]
Quote History
Crazy deal but $20 to ship just a few boxes.  SG is less for a whole case
8/20/2017 12:36:35 AM EDT
[#13]
If I go through 2 full magazines of Federal HST with no issues that's more than enough for me to be comfortable with it.
8/20/2017 12:40:13 AM EDT
[#14]
I do it "wrong" but I generally shoot 50 of my intended carry ammo through the gun, at least 200 more of "old standard" duty ammo through it, the rest ball.

By Old standard, I picked up a considerable amount of 9BP and 9BPLE (115 std. and 115 +p+) if it feeds and ejects, and "acts right" i call it good.

Glocks tend to show any problems quickly... and not have many to begin with, I honestly don't think they need as much of a "break-in" or "test" period as some other manufacturers.
8/20/2017 12:45:30 AM EDT
[#15]
First, pick a better SD round than Hornady Critical Duty.

https://pistol-forum.com/showthread.php?4337-Service-Caliber-Handgun-Duty-and-Self-Defense-Ammo

Second, use a FMJ round like Speer Lawman or Magtech that closely matches same velocity as chosen SD round.  You can get these for about twenty five cents per round delivered.

That HST1 from Recoil is a good deal.
8/20/2017 12:48:08 AM EDT
[#16]





As much as you can baby!
8/20/2017 3:58:37 AM EDT
[#17]
I fire 5-10rds of good HP ammo to make sure it groups well then on to fmj ammo. For modern weapons now I don't see the point of firing a case of expensive ammo through it. Back in the 80's buying Colt 1911s then having a gunsmith polish and ramp the barrel and make everything else work then I would shoot more HP ammo.
8/20/2017 4:08:13 AM EDT
[#18]
Quote History
Quoted:
40 rounds ain't gonna do it. My go to guns have minimum 500 rounds of defense grade ammo through them.
View Quote
I can't do it. Of the shelf, that's more than the gun is actually worth.defensive ammo is a buck a shot
8/20/2017 5:11:20 AM EDT
[#19]
The only analogue for your chosen defense round for proving is THAT round.  Every load has different rim dimensions/profile, brass hardness, impulse, neck tension, balance, bullet profile, OAL.  The fewer rounds you're testing, the more variables you want to eliminate to make sure they're at least as representative as possible.

I'd never carry a gun that doesn't have 500 successful hot range loads and 200 flawless carry loads through it.  I'm not happy until I'm over 1000 total and try to get my carry load count to 500 before dropping to a mag or two at the end of each session.  Then replace the recoil and extractor springs and carry your less-run but still tested mags, cause small guns especially can get fucky at that point as springs wear.  The gun is proven with fresh springs at that point, so reset to your baseline so you know you're carrying a gun in its proven performance envelope.

If you're not buying ammo from online wholesalers, and getting LE packaged carry ammo, you're doing it very wrong.

My last order was 147gr Lawman for, I believe, about 18¢/rd delivered and 147gr HST +P for about 40¢/rd. 
8/20/2017 5:15:21 AM EDT
[#20]
Quote History
Quoted:


I can't do it. Of the shelf, that's more than the gun is actually worth.defensive ammo is a buck a shot
View Quote
How do you have the account stats you do and still pay that much for carry ammo?  
How does ANYONE but a total gun newb or mail-order ban stater pay that much anymore?  
8/20/2017 6:03:04 AM EDT
[#21]
I always just do one of two mags of my 147gr expensive ammo, and the rest is 115gr cheap target ammo. I rely mostly on the reputation of the gun, like a Glock or Shield to ensure reliability. I just don't buy guns that have a bad reputation, like a Remington or Taurus pistol.
8/20/2017 6:05:31 AM EDT
[#22]
Quote History
Quoted:
First, pick a better SD round than Hornady Critical Duty.

https://pistol-forum.com/showthread.php?4337-Service-Caliber-Handgun-Duty-and-Self-Defense-Ammo

Second, use a FMJ round like Speer Lawman or Magtech that closely matches same velocity as chosen SD round.  You can get these for about twenty five cents per round delivered.

That HST1 from Recoil is a good deal.
View Quote
8/20/2017 6:19:00 AM EDT
[#23]
Quote History
Quoted:
I frequently hear @500 rounds of defense ammo as the beacon. My budget does not allow such. 500 ball for break in and a box of 50 defense for functional testing is what I do. Plus finding Winchester  ranger T or Federal HST in .45 auto was not and is not supper common. I'll gladly take sources that sell to civilians though.

If money and ammo not an issue I'd go 1k defense but I'll do what I can, and honestly I'll take never fired a round over find the nearest sharpest stick.
View Quote
Then do what your budget allows. Maybe your gun won't have issues until self defense round 501. There is no way to be certain it will work when you need it to. So all that money does is buy you a little more confidence.

Looking at what you have, I imagine you're not going to have issues. What do you think the chances are that your pistol would run everything else you feed it flawlessly, but just happen to choke on the personal defense ammo? Someone already mentioned running cheap hollow points. You may also be able to reload a similar round. You just have to make it make sense to you.

Some mentioned above that if you do X rounds of your PD ammo is enough, and nothing else will do. That is the right answer for them. My advice is to ignore any of who say they know the right answer for you. We are talking about risk mitigation here. It's a balance of risk tolerance, inherent risk, and mitigation cost. Somewhere between not firing a round until you need it, and running sounds until you wear out the firearm is the "right" answer.
8/20/2017 6:28:15 AM EDT
[#24]
couple mags. hst seems the way to go nowdays.
8/20/2017 10:37:10 AM EDT
[#25]
Quote History
Quoted:
I always just do one of two mags of my 147gr expensive ammo, and the rest is 115gr cheap target ammo. I rely mostly on the reputation of the gun, like a Glock or Shield to ensure reliability. I just don't buy guns that have a bad reputation, like a Remington or Taurus pistol.
View Quote
Buy a good design, but never think firearm quality control is good enough to trust the individual gun you took home.  It's NOT.

Manufacturers know that most people don't shoot much, and they know most people tolerate some malfunctions, and, of those who call, many can be talked out of a return by blaming the ammo or technique.  Rigorous QC and R&D and truly durable parts all cost WAY more than dealing with the people who actually shoot enough to find out a gun is a lemon AND address it with the manufacturer.  

Another thing-- recoil impulse has a huge influence on the timing of how parts interact in a semi-auto.  If your proving ammo has a different bullet weight or  velocity than your carry ammo, you could be in for a bad surprise when you get a failure to extract or eject, premature slide lock, accidental mag drop, bolt over base or nosedive failure to feed with punchier carry ammo.   You also won't be learning the real limits of your recoil management in rapid fire if you train only with softer ammo.