User Panel
User Panel
User Panel
|
Posted: 6/25/2014 6:56:53 PM EDT
I am going to give this a try. What are my needs? What are the pitfalls? As it stands right now I have a Bridgeport J head mill with a fixed 6" vise. Manual feed in all directions. Step pulley speed. No DRO, but I'm thinking I'd have to be on crack to do this without a DRO. This would justify the DRO purchase. 
I see the possibility of needing an angle vise, possible a rotary vise/table and some tooling. I will likely get some of the tooling needed to finish an 80%, just gotta get this block to that point. From the print I have, the maximum dimensions on a receiver is 1.258 X 2.200 X 7.000. This block is 1.500+ X 3.000+ X 7.00+. Plenty of material. It is 7075 T-651 aluminum. I do see some non-flat, contoured surfaces in this receiver. Those probably would present a challenge. I do have a factory 10/22 for reference. 
Thanks for any help. |
|
|
|
Posted: 6/26/2014 7:48:34 AM EDT
[#1]
I'd suggest starting with a couple of 80%'ers, but that might be the easy way out.
ETA 10/22 80% Receiver Link |
|
|
|
Posted: 6/26/2014 2:38:11 PM EDT
[#2]
Quote HistoryQuoted:
I'd suggest starting with a couple of 80%'ers, but that might be the easy way out. ETA 10/22 80% Receiver Link That's not a bad price And easy to finish. |
|
|
|
Posted: 6/26/2014 2:48:07 PM EDT
[#3]
Quote HistoryQuoted:
That's not a bad price And easy to finish. Quote HistoryQuoted:
Quoted:
I'd suggest starting with a couple of 80%'ers, but that might be the easy way out. ETA 10/22 80% Receiver Link That's not a bad price And easy to finish. I bought one, paid $10 more I think for an anodized one. Needed a replacement since my 1976 model has a cracked receiver(its a long story of black dogs, deer mounts, bright sun coffee tables and stupidity  )
Haven't gotaroundtuit yet, but it seems like a very nicely made piece. |
|
|
|
Posted: 6/26/2014 2:51:22 PM EDT
[#4]
I finished a Razor 80% with the extended rail a while back, no issues other than their drawings that come with the receiver were a little off.
You should have no trouble making a perfectly functional receiver from your block, it just won't be quite as pretty without all the extra setups and tools. |
|
|
|
Posted: 6/28/2014 1:10:17 PM EDT
[#5]
i've got an 80% receiver
i'll make you a deal :-)
|
|
|
|
Posted: 6/28/2014 1:38:21 PM EDT
[#6]
Quote HistoryQuoted:
i've got an 80% receiveri'll make you a deal :-) OK, I might take you up on that. But my real goal is to make one from scratch. |
|
|
|
Posted: 6/28/2014 1:59:19 PM EDT
[#7]
I made a 10/22WMR receiver from scratch out of 304SS. I made a bolt also.
I'd say the most difficult areas would be the boss where the recoil spring rod goes. The front counterbore for the magazine. The undercutting in the ejection port for the bolt. I was able to EDM most of the bad spots. I ground an endmill into a custom cutter for the ejection port. |
|
|
|
Posted: 6/28/2014 9:48:00 PM EDT
[#8]
Quote HistoryQuoted:
I was able to EDM most of the bad spots. Which type of EDM? Wire? I just figure if this is a one-off, that would be the easiest and cheapest route. |
|
|
|
Posted: 6/28/2014 11:54:54 PM EDT
[#9]
While I did WEDM the profile just because I could, it was sinker that helped most. For picking out the corner in front of the the recoil spring boss, the angled area at the end of the receiver, in addition to the holes I mentioned.
They can be done with a drill, but need to be drilled at an angle. I'll try and get a few pics up tomorrow. |
|
|
|
Posted: 6/30/2014 9:08:28 AM EDT
[#10]
|
|
|
|
Posted: 6/30/2014 9:09:31 AM EDT
[#11]
Quote HistoryQuoted:
Hers the cutter I used in the ejection port. Dia is .430 and .108 thick, ground section is .155 diameter by .460 long. <a href="http://s25.photobucket.com/user/wintermute76/media/Mobile%20Uploads/IMAG090_edit_1404133447650.jpg.html" target="_blank">http://i25.photobucket.com/albums/c73/wintermute76/Mobile%20Uploads/IMAG090_edit_1404133447650.jpg</a> Fortunately I've got a few key/slot cutters laying around
But I've had to do similar things for jobs like reprofiling a 7.62 AR extractor to fit a .45acp case. |
|
|
|
Posted: 6/30/2014 9:11:44 AM EDT
[#12]
Inside of the receiver.
|
|
|
|
Posted: 6/30/2014 9:27:19 AM EDT
[#13]
Quote HistoryQuoted:
Fortunately I've got a few key/slot cutters laying around
But I've had to do similar things for jobs like reprofiling a 7.62 AR extractor to fit a .45acp case. Quote HistoryQuoted:
Quoted:
Hers the cutter I used in the ejection port. Dia is .430 and .108 thick, ground section is .155 diameter by .460 long. <a href="http://s25.photobucket.com/user/wintermute76/media/Mobile%20Uploads/IMAG090_edit_1404133447650.jpg.html" target="_blank">http://i25.photobucket.com/albums/c73/wintermute76/Mobile%20Uploads/IMAG090_edit_1404133447650.jpg</a> Fortunately I've got a few key/slot cutters laying around
But I've had to do similar things for jobs like reprofiling a 7.62 AR extractor to fit a .45acp case. I think I had to go this route to get it far enough forward to cut clearance for the front corner of the bolt. |
|
|
|
Posted: 8/7/2014 12:51:21 AM EDT
[#14]
There is a good thread on Rimfire Central about making a brass receiver. It's kinda long but should give some insight into what you are wanting to do.
http://www.rimfirecentral.com/forums/showthread.php?t=483339 |
|
|
|
Posted: 8/12/2014 3:42:21 PM EDT
[#15]
Quote HistoryQuoted:
While I did WEDM the profile just because I could, it was sinker that helped most. For picking out the corner in front of the the recoil spring boss, the angled area at the end of the receiver, in addition to the holes I mentioned. They can be done with a drill, but need to be drilled at an angle. I'll try and get a few pics up tomorrow. I used to work with a tool maker who had an old wire machine in his home shop. He wired a 10/22 mag receiver with integral scope rings (lower half anyway). Neat project. |
|
|
|
Posted: 8/12/2014 7:10:13 PM EDT
[#16]
Quote HistoryQuoted:
I used to work with a tool maker who had an old wire machine in his home shop. He wired a 10/22 mag receiver with integral scope rings (lower half anyway). Neat project. Quote HistoryQuoted:
Quoted:
While I did WEDM the profile just because I could, it was sinker that helped most. For picking out the corner in front of the the recoil spring boss, the angled area at the end of the receiver, in addition to the holes I mentioned. They can be done with a drill, but need to be drilled at an angle. I'll try and get a few pics up tomorrow. I used to work with a tool maker who had an old wire machine in his home shop. He wired a 10/22 mag receiver with integral scope rings (lower half anyway). Neat project. I thought of that after the fact. I need to get mine out to the range again. Have some misfeeds, think I need a stiffer recoil spring. |
|
|
|
Posted: 8/19/2014 11:09:09 AM EDT
[#17]
I also cut a 10/22 receiver from billet on a bridgeport. Like said above it's the undercut and the corners that are pita. Take your time it's a fun project.
|
|
|
|
Posted: 8/19/2014 11:13:20 AM EDT
[#18]
So why does it not have a picatinny rail on top?
|
|
|
|
Posted: 8/19/2014 8:01:19 PM EDT
[#19]
Quote HistoryQuoted:
OK, I might take you up on that. But my real goal is to make one from scratch. Quote HistoryQuoted:
Quoted:
i've got an 80% receiveri'll make you a deal :-) OK, I might take you up on that. But my real goal is to make one from scratch. If you haven't done so, spend a little time searching and reading over at Homegunsmith |
|
|
Win a FREE Membership!
Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. One new winner* is announced every week!
You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers.
AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types.
From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm.
Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more.
Copyright © 1996-2024 AR15.COM LLC. All Rights Reserved.
Any use of this content without express written consent is prohibited.
AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own.
