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Regarding Barrel Bushings: 1. When properly sized and fitted, do they usually decrease group sizes, or only sometimes, other factors being equal ? 2. Can the guns they are installed on be considered acceptable for Defensive use in terms of reliability ? Anything else you can tell me about them would be appreciated. Lover of the US Constitution Wile E. Coyote School of DIY Disaster | ||
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3° that never cooled |
Within my humble experience, a properly fitted busing replacing a loose drop-in type bushing will decrease group size. This may not be readily apparent. unless you are a really good offhand shot or shooting from the bench. And yes, I consider guns with a fitted bushing to be acceptable for defense in terms of reliability. I have carried such guns, and a properly fitted bushing has not compromised reliability at all. FWIW, Most semi-custom 1911 type pistols, Baer, Wilson, etc. advertised as carry guns have fitted bushings. If it made such guns unreliable, I suspect not so many buyers would spend $3000-$5000 on these pistols with fitted bushings...YMMV NRA Life | |||
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Short answer- yes and depends. As Rock said, the better fit the bushing to the barrel is, the better the group will be. Too tight of a fit, it affects how it cycles, too loose and accuracy falls off. Can you use it as a defensive weapon? Depends… I’m not trusting ANY gun to save my ass without putting serious rounds through it. Shoot it! Put some serious rounds through your gun. See how it works when it warms up, see how it works when it’s dirty… If it’s still shooting reliably and accurately, and YOU feel comfortable and confident with it, then go for it! ______________________________________________________________________ "When its time to shoot, shoot. Dont talk!" “What the government is good at is collecting taxes, taking away your freedoms and killing people. It’s not good at much else.” —Author Tom Clancy | |||
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| Inject yourself! |
If all else is in tune, a good barrel bushing fit will help. For defensive use, absolutely fine. CZ pistols use a barrel bushing, not the same as a 1911 busing, but similar idea. I’ve shot thousands of round through both styles with no issues related to the bushing. I would consider them a wear item on high round count guns and I’d inspect and replace as needed. Do not send me to a heaven where there are no dogs. Step Up or Stand Aside: Support the Troops ! Expectations are premeditated disappointments. | |||
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Assuming you are talking about a 1911 type, a high end gun or lucky mass production, might have a close enough bushing fit to get out all the accuracy it has. If loose, an EGW made to measure bushing will likely help. A gunsmith fit might do no better unless the breech end fits well or is refitted. If it doesn't bind, it will be reliable. | |||
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The reason I asked is I'm thinking about sending a CZ compact to Cajun for a comprehensive job, and one of their options is a barrel bushing. They don't talk about it in any detail, such as, if it's hand fitted (or not), does it require inside milling and re-threading to install, and what the typical improvement in accuracy is, particularly if the original factory barrel to slide fit at the muzzle seems pretty solid already. Is there a way to measure slop in the barrel fit to slide at the muzzle ? I can't tell by feel, but if there's a way to measure it, then maybe I could understand the potential benefit of it, or not, depending on where the inflection point in some kind of "slop" measurement, for guessing if it's worth spending the extra Benjamin on it. Have any of you guys spent $ on a custom fitted bushing that was NOT a 1911 type pistol ? Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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Cajun Gun Works is very easy to talk to by giving them a phone call. They've done lots of work for me including barrel bushings and they'll be more than happy to spend the time on the phone with you to answer all your questions. Good people. | |||
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I installed a CGW bushing in my CZ75-SA. The factory bushing was sloppy, the new bushing has no slop, but the barrel is hard to remove from the slide now. Definitely shoots better!It did loosen up a bit after some shooting, but I still need to tap on it with a plastic screwdriver handle to get it out of the slide. | |||
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Ok so now I'm thoroughly confused. I thought they had to cut and thread the interior of the slide and custom fit the bushing. Are you saying all CZ slides already have bushings that you can unscrew and replace yourself ? I'm definitely missing something here. Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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CZ bushings are press fit in the slide. Replaced a couple with no problems. One needed a small amount of clearance on the bottom at the rear of the bushing to facilitate barrel removal. | |||
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Ok, so they are punched out, sort of like punching out old races when replacing bearings in auto wheels, before hub assemblies replaced old fashioned races and bearings. Is that the basic idea here.. Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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Member |
Unlike a 1911 type pistol where the barrel bushing is easily removable for routine cleaning and maintenance, the bushing on a CZ 75 is press fit to the slide and secured by the front sight roll pin. While in theory a highly tuned pistol with reduced tolerances may be less than ideal in a severe combat situation, I am not sure it would be of tremendous concern in most real world scenarios. Since the CZ 75 is known for exceptional reliability and CGW is the gold standard for custom upgrades, I would expect a level of reliability on par with the factory bushing. I am not however certain if the resultant improvement in mechanical accuracy will necessarily translate into a practical advantage in a defensive situation. With that said, if CGW indicates there is no reliability impact, I would most certainly order the bushing option to complete the package. Good luck! | |||
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The CZ97 is what you are thinking of. I had CGW do that job, they milled out the end of the slide and install a 1911 bushing. Now that gun was very loose, can’t believe the gun ships with a bushing wrench. | |||
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| I swear I had something for this |
For the most part, CZ style barrel bushings that are press fit into the slide aren't designed to be removed. There are custom shops that will fit a 1911 style bushing to a CZ, but that's different. | |||
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Just throw in a 1911 thing. Decades ago,one of our gun club members bought the first les Baer 1911 any of us had ever seen. Really the first hand fit 1911 any of us had the opportunity to fondle and shoot ( some of us into bullseye had custom bullseye guns but that is a bit apples to oranges- specific mods and specific ammo designed around it for a specific purpose not a general utility 1911 of supreme quality) We tried to get this thing to choke. Mags that wouldn’t run in any other gun, ammo from bu my fart to nuclear. It just kept running without complaint. | |||
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Ok got it. So do we think the new bushing option from Cajun is an improvement over the factory bushing, with tighter tolerance to the barrel, or is this just a replacement for an older gun with bushing wear or an otherwise out of spec loose fit ? Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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They are tighter for sure. | |||
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