Comped Pistols

With the gaining popularity of comped pistols I wonder if it deserves its own thread since I did a search and couldn't find anything dedicated to their use specifically and the support equipment/parts.  I know it's been talking about some in the RDS for handguns thread but that is long and the info can be hard to find.  Looking to start a discussion on various comps and barrel hosts.  Firearms used, ammo types, guide rods, effect on rdo use, holster compatibility, viability for duty use, etc etc.  Specifically for me I bought a TBRCI comp for a gen3 RMR'd glock 19 with blacklist barrel.  

------------------------------

 

Don't look at me in that tone of voice

 

Original Post

I have a KKM Comp on a Gen 3 Glock 19.  Per recommendations from other users I utilize higher pressure carry rounds (124gr + P HSTs vs 147gr Standard Pressure in non-comped carry guns) that enables the comp to better keep the muzzle down. 

Overseas I did some very non-scientific testing with split times and perceived recoil.  The military 124gr NATO 9mm ball is fairly high pressure and did a good job of enabling the comp to work properly and ensure the sights remain on the target.  This is more obvious with RDS equipped guns as you can truly follow the dot through the entire cycling of the slide.  I have shot 115gr ball and it *appears* to not do as well as the 124grs when it comes to split times.

For guide rods I experimented with a lighter weight when I first installed the KKM barrel, but quickly went back to the factory which worked fine. For holsters I use a Safariland for a Glock 34 w/ RMR with no issues (even with the RMR mounted in front of the rear sight no modification was required).

I haven't had any issues that would prevent me from carrying it again. Not Police "Duty Use" but it was my sidearm during the last half of a combat deployment.

Rick

The essence of war is violence. Moderation in war is imbecility. John A. Fisher

I’ve run 800-900 147 FMJ of American Eagle and Lawman with only one hiccup that I couldn’t diagnose the cause of. FTF. Using anKKM barrel and comp on a Gen 4 G19.  Haven’t run any defensive ammo through it yet.

“They were two douchebags who met in the normal course of being two douchebags.” - Sully, Third Watch

Hey fellow cake eaters, need some thoughts from folks who are using this comp.  
TBRC comp on a Victory First Barrel. Glock 19 MOS with DPP. Multiple failures to Feed, like 29 of them  as well as 3 failures to eject out of 40 rounds.  115gr FMJ loaded to 1130-1150 FPS. Gun cycles fine with no comp on the barrel.  Anyone had similar issue?

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -You have never lived until you have almost died. For those who have fought for it , life has a special flavor the protected will never know.

 

You cant look dignified when your having fun!

 

 Location: Georgia

I have a Glock 19 with a Faxon Barrel, TBRC comp and a Brownells ported slide with an RDS.  It has worked flawlessly.  However, my M&P venture was not so great.  Silencerco barrel and TBRC comp.  Lots of misfires.  I was able to switch things around between different frames and even different slides because I suspected it was problems with the APEX parts.  Ultimately determined that it was the barrel and/or the comp.  I haven't shot the barrel without the compensator yet, but it may be the combo.

I don't know why or how this could cause light primer hits for me.  Your issue is actually more explainable.  The comp exhausts gasses upward to retard recoil and muzzle rise.  Because the barrel needs to tilt for the gun to unlock and cycle, the downward pressure retards that and slows the slide, which is why comped guns frequently have ported slides to reduce weight and speed up the cycling.  I DON'T KNOW THAT THIS IS ABSOLUTE FACT, it is just what I've been reading.  A gunsmith who has a lot of experience with compensators is a better source for solutions than just us shooters.

-------------------------

Mark

Swear allegiance to the flag Whatever flag they offer

Never hint at what you really feel

Teach the children quietly For some day sons and daughters

Will rise up and fight while we stood still

 

Joined:  2/24/2003                          Location:  Nevada, USA

PM07 posted:

Hey fellow cake eaters, need some thoughts from folks who are using this comp.  
TBRC comp on a Victory First Barrel. Glock 19 MOS with DPP. Multiple failures to Feed, like 29 of them  as well as 3 failures to eject out of 40 rounds.  115gr FMJ loaded to 1130-1150 FPS. Gun cycles fine with no comp on the barrel.  Anyone had similar issue?

Your PM to me has a response. 

I can’t explain Dorsai’s issues but I go in to pretty extensive detail about my experiences over the past year with my comp.

Mojo/Mark
__________________________
Yo homey, is that my briefcase...?
Vincent from "Collateral"
__________________________
You want the good life, you break your back, you snap your fingers, you snap your neck... Prong/Demon Hunter
__________________________

Because...I Can. 


Joined: 9/30/09
Location: Northern Nevada (Reno/Sparks)

I pretty much gave up on the comp concept because I could not get the comp to stay in place on the barrel.

Glock 19 Gen4 | Agency Arms threaded barre | Agency Arms single port 417 comp

This setup was very reliable in terms of cycling quality ammo, and worked with the factory guide rod/spring.

Despite several attempts I could never get the comp to stay in place:

First, I used red locktite 271 on both the barrel threads and the set screws.  Let it set for 48 hours.  Didn't work.

Then, I used no thread locker and just torqued the set screws to the 11 in/ft spec.  Didn't work.

Then, I called AA and they told me to use the red locktite 271 on the barrel threads, and the AA provided rockset on the set screws.  Let it set 72 hours.  Didn't work.

I made sure to apply the thread locker and screw in and out at least twice to spread the thread locker evenly across the entire threaded area.

Additionally, all thread locker will deteriorate with heat and time.

So while many swear by comps for duty use, I'm not sure what to think at this point.

Bluemonday posted:

I pretty much gave up on the comp concept because I could not get the comp to stay in place on the barrel.

Glock 19 Gen4 | Agency Arms threaded barre | Agency Arms single port 417 comp

This setup was very reliable in terms of cycling quality ammo, and worked with the factory guide rod/spring.

Despite several attempts I could never get the comp to stay in place:

First, I used red locktite 271 on both the barrel threads and the set screws.  Let it set for 48 hours.  Didn't work.

Then, I used no thread locker and just torqued the set screws to the 11 in/ft spec.  Didn't work.

Then, I called AA and they told me to use the red locktite 271 on the barrel threads, and the AA provided rockset on the set screws.  Let it set 72 hours.  Didn't work.

I made sure to apply the thread locker and screw in and out at least twice to spread the thread locker evenly across the entire threaded area.

Additionally, all thread locker will deteriorate with heat and time.

So while many swear by comps for duty use, I'm not sure what to think at this point.

271 not getting the job done is unusual. It’s what I used on the barrel threads and 242 blue in my set screw threads. Different comp (TBRC) and barrel(SilencerCo) though. 

It gets used at my work everyday and we’ve never had issues with it. The only things I can think of that would make it not work is it has a shelf life of about 18 months I believe and should be stored in a refrigerated condition. 

Mojo/Mark
__________________________
Yo homey, is that my briefcase...?
Vincent from "Collateral"
__________________________
You want the good life, you break your back, you snap your fingers, you snap your neck... Prong/Demon Hunter
__________________________

Because...I Can. 


Joined: 9/30/09
Location: Northern Nevada (Reno/Sparks)

MOJONIXON posted:

271 not getting the job done is unusual. It’s what I used on the barrel threads and 242 blue in my set screw threads. Different comp (TBRC) and barrel(SilencerCo) though. 

It gets used at my work everyday and we’ve never had issues with it. The only things I can think of that would make it not work is it has a shelf life of about 18 months I believe and should be stored in a refrigerated condition. 

To clarify, the comp is rock solid on the threads; it's not loose.  

The problem is it starts to walk/cant/twist to the right after about 70 rounds.

Bluemonday posted:
MOJONIXON posted:

271 not getting the job done is unusual. It’s what I used on the barrel threads and 242 blue in my set screw threads. Different comp (TBRC) and barrel(SilencerCo) though. 

It gets used at my work everyday and we’ve never had issues with it. The only things I can think of that would make it not work is it has a shelf life of about 18 months I believe and should be stored in a refrigerated condition. 

To clarify, the comp is rock solid on the threads; it's not loose.  

The problem is it starts to walk/cant/twist to the right after about 70 rounds.

Ok. Thanks. Mine is slightly canted to the left but that was me bunging it up when putting it together. 

Mojo/Mark
__________________________
Yo homey, is that my briefcase...?
Vincent from "Collateral"
__________________________
You want the good life, you break your back, you snap your fingers, you snap your neck... Prong/Demon Hunter
__________________________

Because...I Can. 


Joined: 9/30/09
Location: Northern Nevada (Reno/Sparks)

PM07 posted:

Hey fellow cake eaters, need some thoughts from folks who are using this comp.  
TBRC comp on a Victory First Barrel. Glock 19 MOS with DPP. Multiple failures to Feed, like 29 of them  as well as 3 failures to eject out of 40 rounds.  115gr FMJ loaded to 1130-1150 FPS. Gun cycles fine with no comp on the barrel.  Anyone had similar issue?

Have you tried heavier grain ammo?

“They were two douchebags who met in the normal course of being two douchebags.” - Sully, Third Watch

Bluemonday posted:

I pretty much gave up on the comp concept because I could not get the comp to stay in place on the barrel.

Glock 19 Gen4 | Agency Arms threaded barre | Agency Arms single port 417 comp

This setup was very reliable in terms of cycling quality ammo, and worked with the factory guide rod/spring.

Despite several attempts I could never get the comp to stay in place:

First, I used red locktite 271 on both the barrel threads and the set screws.  Let it set for 48 hours.  Didn't work.

Then, I used no thread locker and just torqued the set screws to the 11 in/ft spec.  Didn't work.

Then, I called AA and they told me to use the red locktite 271 on the barrel threads, and the AA provided rockset on the set screws.  Let it set 72 hours.  Didn't work.

I made sure to apply the thread locker and screw in and out at least twice to spread the thread locker evenly across the entire threaded area.

Additionally, all thread locker will deteriorate with heat and time.

So while many swear by comps for duty use, I'm not sure what to think at this point.

Did you degrease the threads before loctite?

“They were two douchebags who met in the normal course of being two douchebags.” - Sully, Third Watch

Dorsai posted:

I have a Glock 19 with a Faxon Barrel, TBRC comp and a Brownells ported slide with an RDS.  It has worked flawlessly.  However, my M&P venture was not so great.  Silencerco barrel and TBRC comp.  Lots of misfires.  I was able to switch things around between different frames and even different slides because I suspected it was problems with the APEX parts.  Ultimately determined that it was the barrel and/or the comp.  I haven't shot the barrel without the compensator yet, but it may be the combo.

I don't know why or how this could cause light primer hits for me.  Your issue is actually more explainable.  The comp exhausts gasses upward to retard recoil and muzzle rise.  Because the barrel needs to tilt for the gun to unlock and cycle, the downward pressure retards that and slows the slide, which is why comped guns frequently have ported slides to reduce weight and speed up the cycling.  I DON'T KNOW THAT THIS IS ABSOLUTE FACT, it is just what I've been reading.  A gunsmith who has a lot of experience with compensators is a better source for solutions than just us shooters.

Could it be the comp fit or barrel fit were not allowing the gun to go I to battery completely...and eating up striker energy seating the barrel fully..that extra cunt hair?

----------------------------

"Good landing, good fight, and good luck" James M. Gavin 09Jul43

 "they say if it works, it's a good tactic...I say anything can work once" 

ggammell posted:
PM07 posted:

Hey fellow cake eaters, need some thoughts from folks who are using this comp.  
TBRC comp on a Victory First Barrel. Glock 19 MOS with DPP. Multiple failures to Feed, like 29 of them  as well as 3 failures to eject out of 40 rounds.  115gr FMJ loaded to 1130-1150 FPS. Gun cycles fine with no comp on the barrel.  Anyone had similar issue?

Have you tried heavier grain ammo?

Just because it was a pet peeve of Pats..



You mean heavier weight...grain is just a unit of measure.

No one says heavier pounds.

----------------------------

"Good landing, good fight, and good luck" James M. Gavin 09Jul43

 "they say if it works, it's a good tactic...I say anything can work once" 

"Have you tried heavier grain ammo?"

Not yet. I'm going to pick up some 124 and 147 after I get done with Jedilinksi's class this week and try it out.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -You have never lived until you have almost died. For those who have fought for it , life has a special flavor the protected will never know.

 

You cant look dignified when your having fun!

 

 Location: Georgia

R.Moran posted:
ggammell posted:
PM07 posted:

Hey fellow cake eaters, need some thoughts from folks who are using this comp.  
TBRC comp on a Victory First Barrel. Glock 19 MOS with DPP. Multiple failures to Feed, like 29 of them  as well as 3 failures to eject out of 40 rounds.  115gr FMJ loaded to 1130-1150 FPS. Gun cycles fine with no comp on the barrel.  Anyone had similar issue?

Have you tried heavier grain ammo?

Just because it was a pet peeve of Pats..



You mean heavier weight...grain is just a unit of measure.

No one says heavier pounds.

Thanks Pat. 

“They were two douchebags who met in the normal course of being two douchebags.” - Sully, Third Watch

ggammell posted:
R.Moran posted:
ggammell posted:
PM07 posted:

Hey fellow cake eaters, need some thoughts from folks who are using this comp.  
TBRC comp on a Victory First Barrel. Glock 19 MOS with DPP. Multiple failures to Feed, like 29 of them  as well as 3 failures to eject out of 40 rounds.  115gr FMJ loaded to 1130-1150 FPS. Gun cycles fine with no comp on the barrel.  Anyone had similar issue?

Have you tried heavier grain ammo?

Just because it was a pet peeve of Pats..



You mean heavier weight...grain is just a unit of measure.

No one says heavier pounds.

Thanks Pat. 

🤣

Sometimes it's fun to remember the old LFer's

----------------------------

"Good landing, good fight, and good luck" James M. Gavin 09Jul43

 "they say if it works, it's a good tactic...I say anything can work once" 

I attended a class in Florence SC put on by Tom Givens with Liquid Tension and we shot right close to 1,200 rnds and his "Roland Special" never missed a beat.

I'll get him in here for his experience with comped Pistols.

Location: in SE Idaho, the birthplace of television. 

I had a bunch of stuff typed but I saved it to a word file so I could review it when I'm not completely sleep deprived.  I'll check it tomorrow to see if it's LF worthy. 

Joined: 10/1/09                       Location: Columbia, SC

PM07 posted:

"Have you tried heavier grain ammo?"

Not yet. I'm going to pick up some 124 and 147 after I get done with Jedilinksi's class this week and try it out.

Slight veer PM07 but an AAR posted on LF of your Scott class would be good to compare w/ mine from May 2018.

Joined: 3.28.09            

Location: NETX

I'm glad this discussion has started. Putting a compensator on a duty gun intrigues me. 

**********************

arm yourself, because no one else here will save you . . .

 

he found faith in danger, a lifestyle he lived by

 

Assemble the Kingsmen

So update-ish. I broke out the 19MOS/Comp after class today. Put  19 rounds of 147gr JHP through as fast as I could pull the trigger with no malfunctions. Then someone gave me some 124gr Alum. blazer to try. 17 rounds with no malfunctions. I hadn't changed the spring or anything.  Hoping to pick up a case of 124s this week to try out and see what happens.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -You have never lived until you have almost died. For those who have fought for it , life has a special flavor the protected will never know.

 

You cant look dignified when your having fun!

 

 Location: Georgia

Back in the 80s and 90s when comped 38 Super 1911s with the original long-tube Aimpoints were all the rage the IPSC equipment race was unbelievable.  Recoil and muzzle jump were so minimized some of those pistols sounded like little MP5s. 

My brother lent me a comped iron-sighted Springfield 45.  One of the barrel lugs had sheared off and the gunsmith welded it back on.

That pistol fired a sand-bagged 25-yard 10-shot group of 200-grain lead semi-wadcutters into a single hole as if it was a benchrest rifle.  If I hadn't shot the group myself I would have told you someone was bullshitting me. 

Paul Macnamara used a comped 45 at work for a while.  There's a photo of him in a flight suit, holding one-handed and aiming at a window while on rappel somewhere in the mil photo of the day thread.

In the decades that followed, people said comps and Aimpointed pistols were gimmicky, big-long-heavy and impractical, and expensive.  Not a whole lot of gunsmiths routinely carry them any more. 

Mini-red dot sights are going to change that.


Image result for 38 super compensator aimpoint

Add Reply

Likes (0)
Copyright Lightfighter Tactical Forum 2002-2019
×
×
×
×
×