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Advice for a new Open gun


chucupis

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Hi i have just finished the shooting season here in my country but i got not so good new, my slide is broken in three diferent parts,the weird thing is that the slide just had 1k rounds (i changed the slide in july), so i decided to build a new slide, but i am in venezuela and i don´t want to make a wrong choice so these are the parts that i chose, my father made his new upper unit in february in 9 major also but he is using popple holes, the parts i will buy them in shooters connection, i usually use speed shooters but they dont have most of the parts i need, this will be used in a new Sti classic slide i also got a colt slide i choose what i will use when i receive them

Barrel

Schuemann .355 Bull Barrel Threaded 5.4" 32 twist,i chose this one because i used to have one in the limited gun i had, also there is a kkm KKM .355 Caliber Bull Barrel Threaded 5.4"

Extractor

Aftec Advanced Competition Extractor

Guide rod

STI RecoilMaster

Firing pin and firing pin stop

Limcat Firing Pin - XL

STI Firing Pin Stop

ISMI Firing Pin Spring- Heavy Duty

Racker

Cheely Custom Slide Racker

Compensator

Here is where i am full of doubts because i only have 3 options, notice that i will be using Silhouete powder, with 125gr RN bullet, and winchester primer with a PF of 164 aprox, i dont want to use popple holes but i want a real flat gun with a good recoil

here are the options

Bedell Custom Titanium Comp

BCG Thundercomp 2

Dawson Awesome Comp #2 TJ

from some imput on the internet, and my little experience with the brazos, i think the best option is the dawson but i don´t know the weight of the comp will become an issue also is larger than the brazos or the bedell, because the brazos works better with popple holes,and the bedell i dont have so much reference of it, i have a friend that had the brazos and the bedell and he told it has a similar behaviour like the brazos

also i will order this trigger group

Koenig/EGW Ultimate Trigger Kit

because i tested it in my dads gun and also tested the extreme kit but i like the egw most

What do you think about this set up? i am asking because in venezuela is a lot difficult to get the parts and i am going to import them, a mistake will be hard to solve here

Best regards and sorry for the long of the post

Edited by chucupis
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Go with the schuemann barrel. If you do not want to use popple holes and are goin with 9 major use the Dawson comp. I have shot a 9major gun with that comp and its very soft shooting. All the other parts are good.

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Go with the schuemann barrel. If you do not want to use popple holes and are goin with 9 major use the Dawson comp. I have shot a 9major gun with that comp and its very soft shooting. All the other parts are good.

He is talking about my gun,he shot it looked over at me with a grin and said it was like cheating. :devil: I have one with a Schuemann and 3 with Clark Barrels they all shoot good. It is hard to find a Schuemann maybe try an SVI.

I should add I have a Bedel Ti and a couple BCG II's, the TJ DP#2 it the one you want.

Edited by CocoBolo
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Go with the schuemann barrel. If you do not want to use popple holes and are goin with 9 major use the Dawson comp. I have shot a 9major gun with that comp and its very soft shooting. All the other parts are good.

Go with the schuemann barrel. If you do not want to use popple holes and are goin with 9 major use the Dawson comp. I have shot a 9major gun with that comp and its very soft shooting. All the other parts are good.

He is talking about my gun,he shot it looked over at me with a grin and said it was like cheating. :devil: I have one with a Schuemann and 3 with Clark Barrels they all shoot good. It is hard to find a Schuemann maybe try an SVI.

I should add I have a Bedel Ti and a couple BCG II's, the TJ DP#2 it the one you want.

i chose the shuemann, and ordered the rest of the parts except the comp, i am trying to get the dawson comp but it didn´t accept my credit card at the dawson´s page, weird i am going to try again tomorrow if it doesn´t accept the credit card i will have to buy the bedell, and next year i will order the dawson with a friend in USA

Best regards

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I would consider the ti Bedell or the Brazos compensator. With a 5.4" bull bbl, the pistol is going to be on the heavy side, whether you have a heavily lightened slide or not. I had a Dawson cone comp on a ~4" shorty and found the pistol a little too heavy for me. Going with the Dawson will probably help keep the pistol flatter, due to the weight, but it will also affect your transitions/handling.

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I would consider the ti Bedell or the Brazos compensator. With a 5.4" bull bbl, the pistol is going to be on the heavy side, whether you have a heavily lightened slide or not. I had a Dawson cone comp on a ~4" shorty and found the pistol a little too heavy for me. Going with the Dawson will probably help keep the pistol flatter, due to the weight, but it will also affect your transitions/handling.

Aluminum Guide Rod. $25 from Briley.

I'll admit the Dawson is a bit heavier than the Bedel or the BCG TC II, but way better when it comes to recoil and flip. I have a shorty with a Brazos on it, 7 oz slide, in 9 major, if I didn't have 3 full size guns to shoot it would have a DP2 on it. The average slide weight on my full size with Dawson comp is 10 oz, I run a steel guide rod and like the balance which is right about the trigger on the cone comp guns and just forward of the trigger on the Bull gun.

Top left is the bull with a Bedel TI comp, bottom is a Brazos on a chorty man that bedel looks long as a freight train. http://www.sashooter.com/gallery/main.php?g2_itemId=728

The twins with Dawson TJ DP2 and a plain DP2. http://www.sashooter.com/gallery/main.php?g2_itemId=794

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Aluminum Guide Rod. $25 from Briley.

May or may not make up for the extra weight further out there. Also, I've never heard anything negative from any member here about AL guiderods but I have heard from more than one smith represented here that they do not recommend them. All three smiths drilled out steel guiderods in my pistols when I asked them about AL guiderods.

It all depends on what the OP is looking for. I have two short framed, bushing bbl, lightended slide, 9mm limited pistols. I just got a 9mm Edge that is the total opposite in terms of long/wide dustcover, bull bbl, and the full profile, unlightened slide. The Edge shoots noticeably softer (stating the obvious) than the other two. However, I did notice that I was just a titch slower in my usual drills and that I overshot (swung wide) on several targets when transitioning due to the extra weight out there.

The OP may want a heavier/flatter pistol or he might want a lighter/faster handling pistol. Just trying to give him another perspective/that the weight of the comp does make a noticeable difference in the way the pistol handles.

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Aluminum Guide Rod. $25 from Briley.

May or may not make up for the extra weight further out there. Also, I've never heard anything negative from any member here about AL guiderods but I have heard from more than one smith represented here that they do not recommend them. All three smiths drilled out steel guiderods in my pistols when I asked them about AL guiderods.

It all depends on what the OP is looking for. I have two short framed, bushing bbl, lightended slide, 9mm limited pistols. I just got a 9mm Edge that is the total opposite in terms of long/wide dustcover, bull bbl, and the full profile, unlightened slide. The Edge shoots noticeably softer (stating the obvious) than the other two. However, I did notice that I was just a titch slower in my usual drills and that I overshot (swung wide) on several targets when transitioning due to the extra weight out there.

The OP may want a heavier/flatter pistol or he might want a lighter/faster handling pistol. Just trying to give him another perspective/that the weight of the comp does make a noticeable difference in the way the pistol handles.

Did your smiths give you a technical reason or just "don't recommend them" ?

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Aluminum Guide Rod. $25 from Briley.

May or may not make up for the extra weight further out there. Also, I've never heard anything negative from any member here about AL guiderods but I have heard from more than one smith represented here that they do not recommend them. All three smiths drilled out steel guiderods in my pistols when I asked them about AL guiderods.

It all depends on what the OP is looking for. I have two short framed, bushing bbl, lightended slide, 9mm limited pistols. I just got a 9mm Edge that is the total opposite in terms of long/wide dustcover, bull bbl, and the full profile, unlightened slide. The Edge shoots noticeably softer (stating the obvious) than the other two. However, I did notice that I was just a titch slower in my usual drills and that I overshot (swung wide) on several targets when transitioning due to the extra weight out there.

The OP may want a heavier/flatter pistol or he might want a lighter/faster handling pistol. Just trying to give him another perspective/that the weight of the comp does make a noticeable difference in the way the pistol handles.

+1 on the Edge, I love mine, I ditched the SVI with the lightened slide. My smith liked heavy guns, he said the more dry fire you do the lighter the gun gets and the easier it is to swing! I don't think barrel length is a factor I have both 5" and 5.4" guns and the dot is in the same place on both. IMHO YMMV.

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Did your smiths give you a technical reason or just "don't recommend them" ?

Yes. I asked why and he mentioned that they weren't stiff enough. The second time, with another smith, he said that he won't use them. I do have to retract, in part what the third smith said because come to think of it, I think I told him to drill out the guiderod and didn't even ask about an aluminum one based on the previous builds. So, I guess it was really two smiths as I didn't get the third's opinion.

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this is the gun i have right now

caspian 4.5" slide/ sti barrel/ comp? WHO knows what it is LOL, SS guide rod, this is my first open gun, and y went from D class to B this year but the gun bounces a lot and the dot is not quiet, also is fault of the imr 7625 powder

with the broken slide i decided to search for info, and build a new upper unit, i have been using for the las 2 months my dads gun wich is STI slide/shuemann hybrid comp with 4 poppleholes/ brazos customs comp/ recoil master and the gun is a lot easier to shoot responses better than mine but it is really on the heavy side this gun, so i want something as flat as possible but easy to handle between targets and transitions

best regards and thank you for your opinions

some videos of the behaviour of the gun

post-36614-0-62869400-1324518381_thumb.j

Edited by chucupis
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You might try a different, slower burn rate powder. 7625 is on the fast burning side/IMHO. Not saying that it was the cause of your broken slide but it may have contributed. Going with a slower burning powder (and using more of it per load) will also produce, in general, more gas to improve the effectiveness of any compensator you choose.

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You might try a different, slower burn rate powder. 7625 is on the fast burning side/IMHO. Not saying that it was the cause of your broken slide but it may have contributed. Going with a slower burning powder (and using more of it per load) will also produce, in general, more gas to improve the effectiveness of any compensator you choose.

you are completely right i also think it was the powder or the link, the thing is that was the powder i found in that time, right now i found Silhouette and thats is the powder i am going to use from now on, this year i shot and i didn´t take time to check what was the best for my open, i took advice from my friends that shoots open class, but they are 38 super BIG mistake

best regards

Edited by chucupis
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You might try a different, slower burn rate powder. 7625 is on the fast burning side/IMHO. Not saying that it was the cause of your broken slide but it may have contributed. Going with a slower burning powder (and using more of it per load) will also produce, in general, more gas to improve the effectiveness of any compensator you choose.

you are completely right i also think it was the powder or the link, the thing is that was the powder i found in that time, right now i found Silhouette and thats is the powder i am going to use from now on, this year i shot and i didn´t take time to check what was the best for my open, i took advice from my friends that shoots open class, but they are 38 super BIG mistake

best regards

Ok, Silhouette is my favorite Powder. With 124gr Montana Gold CMJ set 1.165 it takes 7.7gr with a regular SPP to make 172 pf out of either of the twins pictured in the previous post. The DP2 is good with no holes and not a hybrid. I find that the RN bullet in 9 major just make the gun more reliable, and the accuracy is good. Note that Silhouette is reverse temp sensative, in cold weather I drop down to 7.5gr.

If you are going to run a hybrid with 3 or 4 holes then I would recommend the Brazos ThunderComp II. However, I don't recommend hybrid or poppel holes in 9 major. If you want it flat and soft then go with a Bull Barrel, the Cone comp has a bit more flip, but is still very good. With poppel holes the Brazos TruBore cut blank might be a good combo, but it will take more powder to make power, but if you only need 160pf it might be ok.

Other good powder choices are HS6, AutoComp. If you can load really long like 1.185+ then you can run 3N38 or AA#7.

Imr7625 shoots about the same as 3N37 in my opinion and N350 is awful.

I wouldn't knock 38SC, it is a great open gun caliber, you can do more with it, and if you can find your brass you can load it 20 times or till it splits. In 9 major my best advise is use once fired, shoot it once and let it go.

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Ok, Silhouette is my favorite Powder. With 124gr Montana Gold CMJ set 1.165 it takes 7.7gr with a regular SPP to make 172 pf out of either of the twins pictured in the previous post. The DP2 is good with no holes and not a hybrid. I find that the RN bullet in 9 major just make the gun more reliable, and the accuracy is good. Note that Silhouette is reverse temp sensative, in cold weather I drop down to 7.5gr.

If you are going to run a hybrid with 3 or 4 holes then I would recommend the Brazos ThunderComp II. However, I don't recommend hybrid or poppel holes in 9 major. If you want it flat and soft then go with a Bull Barrel, the Cone comp has a bit more flip, but is still very good. With poppel holes the Brazos TruBore cut blank might be a good combo, but it will take more powder to make power, but if you only need 160pf it might be ok.

Other good powder choices are HS6, AutoComp. If you can load really long like 1.185+ then you can run 3N38 or AA#7.

Imr7625 shoots about the same as 3N37 in my opinion and N350 is awful.

I wouldn't knock 38SC, it is a great open gun caliber, you can do more with it, and if you can find your brass you can load it 20 times or till it splits. In 9 major my best advise is use once fired, shoot it once and let it go.

with the silhouette so far so good, it is a really good powder for 9mm major the best i have tested i will use it next year with montana MGB9MM124GR. CMJ and winchester primers

I really dont want poppleholes for two reasons 1) my scope mount will interfere is i made them, 2) i dont like the feeling, i will go with bull barrel 5.4" and the PF will be around 164

best regards

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  • 1 month later...

Updating this thread

i received the parts listed Above last friday, but i have a national championship this week, so i bought another slide, a brazos thundercomp(2 weeks ago) and rebuild my last upper, when i come back from the national, i will build the new FS Upper unit

GYPJ2.jpg

erVD0.jpg

It runs realy flat comparing with my older setup, and comparing with my father´s open gun

best regards

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  • 2 weeks later...

Update

last week i sent my gun to my gunsmith to make the new upper unit, with the parts you help me to choose and today he sent me this pic, i am really happy with the result

ISc1f.jpg

I can´t wait to receive it tomorrow to take it for a test drive

Thank you very much to all for your help

best regards from venezuela

Edited by chucupis
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