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This is a discussion on 4D Rentals within the Gunsmithing forums, part of the Firearm Forum category; I would like to ream the cylinder on my .45Colt Blackhawk and was wondering if anyone here has rented the tool from 4D Rentals. Were ...


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Old February 16th, 2020, 07:59 PM   #1
 
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4D Rentals

I would like to ream the cylinder on my .45Colt Blackhawk and was wondering if anyone here has rented the tool from 4D Rentals. Were there any issues?



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Old February 19th, 2020, 11:08 AM   #2
 
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Rented a throat reamer from them a couple of years ago. Reamer was sharp, had no problems. Hurry up and get ten posts so that you can access the Library and read Iowegean's posts on reaming.
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Old February 19th, 2020, 12:24 PM   #3
 
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I know I need to get 10 posts but I just don't have that much to say. I've been reading Iowegan's posts about throat reaming and have watched several you tube videos about the process. I might wait until I can access the library before I rent the tool.

Iowegan recommends using a cut off 45 Colt case as a guide for the reamer but I was wondering if the pilot pack is part of the reamer rental.

Thanks for your reply.
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Old February 19th, 2020, 12:32 PM   #4
 
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Originally Posted by haymaker2 View Post
I would like to ream the cylinder on my .45Colt Blackhawk and was wondering if anyone here has rented the tool from 4D Rentals. Were there any issues?
Not that tool, but they're great for anything you need and free with advice as well.

Jeff

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Old February 19th, 2020, 05:01 PM   #5
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haymaker2, In my opinion, pilots are nearly worthless. They only guide the reamer from the front, which can allow oval throats and possible chamber damage. When a cutoff spent case is used, the reamer has full support all the way through the throat and can not damage the chamber nor can it cut an oval hole. I think the pilot pack has an additional rental fee.

I own 45 cal, 44 cal, and 357 cal throat reamers so I haven't used 4D Rentals, however if you only have one or two guns to ream. 4d is more cost effective. A new throat reamer from Brownell's is over $100 when you add in shipping. Here's a link: https://www.brownells.com/gunsmith-t...700-19345.aspx
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Old February 19th, 2020, 05:46 PM   #6
 
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Iowegan, thanks for sharing your great knowledge on this forum. I've read many of your posts. I will access the library as soon as I'm allowed to read more about cylinder reaming.

Using a spent case for a guide makes perfect sense but do I still want to use a pilot or is that not necessary?
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Old February 19th, 2020, 06:37 PM   #7
 
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I was going to buy the reamer from Brownell's last year (maybe late 2018?) but they were out of stock. Rented from 4D, pretty sure they came with the pilots (I had not yet read the Iowegan tutorial about using a spent case). Worked great for me, I did the two of my three of Ruger 45's that 'needed' to be done.
Unless you have several to do (or see more in your future), renting probably makes more sense than buying but I do consider getting more tools to be a hobby in and of itself.

Bruce
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Old February 19th, 2020, 07:17 PM   #8
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haymaker2, As I recall, a .448" pilot comes with a new 45 cal throat reamer. I use it in conjunction with a cutoff spent case and always get excellent results. I also have a set of pin gauges so after you ream the throats, you can insert the largest pin that will fit then shine a bright light in the chamber. If you see light escape from the part of the circumference, you cut an oval hole. By using the technique I outlined in the forum E-Library article, I have never experienced an oval throat when using this combination. If you use a pilot only and start with an oval throat, likely you will end up with an oval throat.

Here's how/why I started using a cutoff spent case as a reamer guide: I was working on a customer owned New Model 45 Colt Blackhawk and found the throats were way undersized …. so much so that the .448" pilot from a Manson reamer would not even start. After a thorough inspection, I found all 6 throats were oval cut. A pilot would not allow the reamer to cut a round throat, in fact it would just follow the existing oval hole. That's where I came up with the idea of using a cutoff spent case to guide the reamer from the rear. It worked fine so I have been using them every since (many years and many dozens of cylinders). It's your gun so do whatever you think is proper.
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Old March 8th, 2020, 03:36 AM   #9
 
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I rented 4Ds reamer and had no problems at all. Just follow the instructions that come with the reamer.
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Old March 9th, 2020, 05:59 PM   #10
 
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I would like to ream the cylinder on my .45Colt Blackhawk and was wondering if anyone here has rented the tool from 4D Rentals. Were there any issues?
Sorry but I believe you can only ream in 3 d
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Old March 10th, 2020, 06:36 PM   #11
 
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Sorry but I believe you can only ream in 3 d
reaming takes time, and that is the 4th dimension
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