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Old 09-21-2010, 21:57   #1
JDinNC
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correct load for G27 .40

I want to carry the G27 and I like Gold Dots. In .40, they come in 155, 165, 180, and 180SB. Which one is the correct one for a G27? Thanks.
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Old 09-21-2010, 22:01   #2
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The one that is the most accurate for you. They are all good loads
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Old 09-21-2010, 22:10   #3
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Something recommended for a short barrel such as

http://www.tds-us.com/catalog.php/tds/pd2088545
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Old 09-21-2010, 22:44   #4
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The 180gr will likely have less "felt" recoil. They make a short bbl load, but it really comes down to what feels right for you. The G27 torques quite a bit & the lighter 155gr loads seem to be worse. The 165gr load is a good compromise for me.
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Old 09-22-2010, 08:10   #5
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After testing four different weights...135 155 165 180...i chose the 165 gr. ammo. It worked the best for my gun and me and it had the least felt recoil.
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Old 09-22-2010, 09:57   #6
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I carry 165 grain Ranger T-Series, and it shoots very well for me...

Burk
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Old 09-22-2010, 10:07   #7
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I selected the 180 gr, works best for me.
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Old 09-22-2010, 18:41   #8
JDinNC
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Sorry I worded it wrong. I know all 4 loads function in the G27. I was talking about ballistics. Which gold dot load has the optimal penetration and expansion out of a G27? like according to the FBI studies you read about sometimes. I've read that if you drive a certain hollow point too fast, it would expand too quickly and fail to penetrate. Or on the opposite side, if you drive a certain hollow point too slow, it would overpenetrate because it failed to expand. So which is the best choice out of this 3.5" barrel?
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Old 09-22-2010, 19:32   #9
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I carry 165 grain Ranger T-Series, and it shoots very well for me...

Burk
Same here.
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Old 09-22-2010, 20:04   #10
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I prefer the 180's, but it is up to you to decide that.
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Old 09-22-2010, 20:14   #11
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started with the 180 then went to the 165. i think its a good middle of the road round that would give the best of velocity, expansion, and penetration. i haven't seen any data on it though.
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Old 09-23-2010, 04:49   #12
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Have a G22 and G27. Carry the G27

Use Federal FMJ 165gr and 180gr and Speer TMJ 180gr

for carry ammo, Federal HST 180gr and Speer Gold dot 180gr

Tried the HST 155gr, but did not really like it.

HST so I carry the 180gr Speer Gold DOT or Federal 180 gr HST
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Old 09-23-2010, 07:26   #13
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Have a G22 and G27. Carry the G27

Use Federal FMJ 165gr and 180gr and Speer TMJ 180gr

for carry ammo, Federal HST 180gr and Speer Gold dot 180gr

Tried the HST 155gr, but did not really like it.

HST so I carry the 180gr Speer Gold DOT or Federal 180 gr HST


I'm not overly concerned with the velocity difference with the shorter barrel since most self defense situations are close range. I use the 180 HSTs but would be fine with the GD's or HST's in 165-180g. Both Speer and Federal use a 4" test barrel and rate the 180's as just over 1k fps, so I'm sure they'll do just fine out of the 3.5" barrel.
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Old 09-23-2010, 09:04   #14
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The one that is the most accurate for you. They are all good loads
+1. I prefer 180s in mine. I'd like to try the GDSB loads, too. If I could ever find them...
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Old 09-23-2010, 17:35   #15
JDinNC
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OK I went with the 180SB. Thanks guys!
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Old 09-23-2010, 20:16   #16
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I like 200 gr WFNGC Double Tap ammo. Bullets look like a little oil drum and regardless of velocity they will make a big hole and penetrate better than a HP. Before anyone brings up the overpenetration argument, a study showed that only 12 percent of bullets in LEO shootouts with BGs actually hit the target. The issue is not people being hit by bullets that pass through BGs, its people being hit by bullets that missed the BG all together. The percentage of people hit by bullets passing through a BG was very small. I don't have to worry about velocity, denim plugged HPs, etc.
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Old 09-24-2010, 11:06   #17
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I prefer the heavier bullets in .40 so I chose HST 180gr or the Speer 180gr Short Barrel.
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Old 09-24-2010, 11:08   #18
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I like 200 gr WFNGC Double Tap ammo. Bullets look like a little oil drum and regardless of velocity they will make a big hole and penetrate better than a HP. Before anyone brings up the overpenetration argument, a study showed that only 12 percent of bullets in LEO shootouts with BGs actually hit the target. The issue is not people being hit by bullets that pass through BGs, its people being hit by bullets that missed the BG all together. The percentage of people hit by bullets passing through a BG was very small. I don't have to worry about velocity, denim plugged HPs, etc.
Do you change out the barrel when you shoot the DT 200gr WFNGC ammo?
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Old 09-25-2010, 01:21   #19
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Do you change out the barrel when you shoot the DT 200gr WFNGC ammo?
No. Per Buffalo Bore if the cast bullet is hardcast (BHN of 21) then they say you can shoot them in Glock barrels. Double Tap is a little more cautious and adds a gas check to their 200 and 230 gr 10mm/40 cal bullets in addition to a BHN of 21. Hickok45 has a youtube video where the 10 mm Glock factory barrel doesn't stabilize the the 230 gr 10mm ammo but a Lone Wolf barrel does. If I changed out the barrel it would be for accuracy reasons if needed. That isn't a problem with my G27. If I were to reload I would get an aftermarket barrel as there is supposed to be less bulging of the brass in the tighter aftermarket chamber. If you don't plan on reloading and the Glock barrel is accurate with that ammo why buy a new barrel? Spend the money on ammo. As I have stated before DT offers their hardcast bullets for sale separately or in loaded ammo.
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Old 09-26-2010, 21:21   #20
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I was talking about ballistics. Which gold dot load has the optimal penetration and expansion out of a G27?
The R&D engineers used the Glock 27 pistol when developing their "short-barrel" (SB) 180-grain Gold Dot .40 load. If you want any of their test info, send me a PM.
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Old 09-26-2010, 23:15   #21
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I like 200 gr WFNGC Double Tap ammo. Bullets look like a little oil drum and regardless of velocity they will make a big hole and penetrate better than a HP. Before anyone brings up the overpenetration argument, a study showed that only 12 percent of bullets in LEO shootouts with BGs actually hit the target. The issue is not people being hit by bullets that pass through BGs, its people being hit by bullets that missed the BG all together. The percentage of people hit by bullets passing through a BG was very small. I don't have to worry about velocity, denim plugged HPs, etc.
Overpenetration is still something to be avoided. Regardless of whether or not you think it's irrelevent in terms of dangers to others, how about that the fact that it's not dumping all of it's energy in the BG? Probably not getting optimal expansion either.
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Old 09-27-2010, 21:36   #22
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Overpenetration is still something to be avoided. Regardless of whether or not you think it's irrelevent in terms of dangers to others, how about that the fact that it's not dumping all of it's energy in the BG? Probably not getting optimal expansion either.
The wide flat nosed bullet creates a large wound because the large meplat pushes tissue out of the way, the way a wadcutter cuts a clean hole in paper vs the small ragged hole left by rn ammo. The bullet creates shock waves radiating out at about 90 degrees from the flat point (meplat). The higher the impact velocity the larger the wound. The bullet is designed to punch a large wound all the way through the target, leaving 2 wounds. Most of the energy is still in the bullet as it exits yet it still creates a large wound. At handgun velocities there is no energy dump per se. The energy dump theory comes into play with rifle cartridge velocities which are MUCH higher than handgun velocities. Why this theory is still promoted with respect to handgun ammo alludes me. 330-350 gr WFN bullets in the 45 Colt at 1200 fps will punch through both sides of an 1800 lb bison taking out a shoulder and heart/lungs and exit the other side. The bullet sails on through dumping the bison where he stood yet there is no "energy dump". I know hunting bison has little to do with SD but I use this example to show that the bullet kills not by "dumping" energy but by blowing a large hole completely through the target. A WFN bullet in a SD handgun will also make a similar wound. Unlike the need for high velocity to make a HP expand, all you need is just enough velocity for the bullet to just exit the target. It is notworthy that ammo makers like BB and DT are using wide meplat bullets besides HPs giving you a choice. Most ammo makers made the leap from rn ball ammo to HP ammo bypassing WFN bullets. The truncated cone and SWC designs were a start. You might be surprised what a 250 gr WFN 45 cal bullet at 750 to 800 fps will do to a BG without having to dump any energy. Similar performance by a WFN 200 gr 40 cal bullet would have the same effect. Again the study I referred to previously showed that in shootouts with LEOs, only 12% of rounds actually hit the bad guy. So out of a 100 rounds fired, 88 bullets missed the BG. Now statistically which is the greater threat, a 12% hit rate or a bullet passing through a BG and hitting a bystander? As an aside, none of those misses dumped any energy in the BG either.
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Old 09-27-2010, 23:31   #23
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You might be surprised what a 250 gr WFN 45 cal bullet at 750 to 800 fps will do to a BG without having to dump any energy.
Okay. What would it do...and what are you basing that on?
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Old 09-28-2010, 12:59   #24
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Okay. What would it do...and what are you basing that on?
It would make a large wound through the BG, based on similar bullets at similar velocities on deer for example. John Linebaugh states that a 250 gr 44 spl of a similar bullet style will pass end to end through a deer at 900 fps. IIRC, that is his wife's favorite load because it is easy shooting and kills effectively. Since over penetration is a big concern for some people then the round can be loaded down to 700 -750 fps, not put undue stress on the pistol and still ruin a BG's day. If you still believe that energy dump is what stops BGs or animals then read works by Elmer Keith, John Taffin, Marshall Stanton (Bear Creek Bullets), Veral Smith (Lead Bullets Technology), and John Linebaugh to name a few. Their theories are tested on animals, some of which would lower your standing on the food chain if given a chance. John Linebaugh gives seminars on this very subject with attendies shooting their favorite load through standardized test media, which include animal bones. The results of these tests are published to give people a good idea of how certain loads actually perform. Granted the information provided by these people is based on field results not how much jello the FBI believes a bullet should penetrate.

The original post was a question regarding which of 4 bullet weights would be best for a G27. My answer of a 200 gr bullet with a wide (.32 inch) meplat was offered as an alternative instead of trying to figure out which weight bullet you need for which model of 40 cal Glock. If you use a bullet with a large meplat and good sectional density then it doesn't matter if it is a G27, G23, or G22. You load the gun and Heaven forbid if you ever have to use it, put the bullets where they need to be. For me it is comforting to know that if the bullet hits the sternum it has the ability to take out portions of the heart, lungs, major vessels and the spine. To me it makes more sense than trying to figure out which bullet weight is optimum for which barrel length. I'm sure that there a many fine expensive HP bullets out there for SD, so many in fact that many have forgotten that an inexpensive hardcast bullet with a large meplat will do the job just as well.

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Old 09-28-2010, 13:55   #25
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Okay...thanks. I was just checking. I know there are a some folks who believe that all you can do in a defensive shooting is poke a hole all the way through someone, and then wait around for them to bleed out internally.
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