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80% Jigs Summary (Page 3 of 5)
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I see a lot of mention of drill bushings. We just released an All New Heavy-Duty AR-15 Jig with solid steel components. This includes the side plates, drill guide and router template.
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My vote is for tactical machining for the 80% lower and the jig. I've used them both and they're great. I also like their upper receivers.
I use just a 1/4" center cutting end mill bit I got from Brownells. XY vise from harbor freight My drill press .154 drill bits from Amazon Safety selector hole drill bit I already had. Wahlah, finished lower. For buying an 80% lower, jig, and a stripped upper receiver, I could not find a better deal than tactical machining. No problems with any of it. |
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Hello medicmandan,
I am the new Head of Sales and Operations for BTR Innovation LLC (we have undergone significant restructuring over the last 2 months and are no longer affiliated with FPS Products). First of all, thank you for providing such a comprehensive list of jig sets for 80% lowers! Just to update you and those interested in the thread, BTR Innovation Jig Sets for AR-15 80% Lowers are now $54.99 + s&h on our website www.btrinnovation.com (hint: some distributors may sell our product for less), we also sell replacement parts and have free instructions for download. Additionally, we have bulk pricing for distributors. Finally, we include drill bits for users with drill presses and our jigs are made out of high quality aluminum. I hope this helps you and others! -BTR Innovation |
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Originally Posted By BTR_Innovation_LLC: You should edit your post and remove pretty much all of it or you're not gonna last long around here. You're not a paying vendor (AKA Industry Partner) yet, so advertising like you just did is a big no-no and clearly stated in the forums Code of Conduct which you should have read when you registered for an account. |
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Originally Posted By ModulusArms:
I see a lot of mention of drill bushings. We just released an All New Heavy-Duty AR-15 Jig with solid steel components. This includes the side plates, drill guide and router template. I just received mine yesterday. It looks as good in person as the pictures. It has a very solid feel with the new steel side plates and the design has a few improvements like the larger router surface compared to the original Modulus jig. I am looking forward to finishing a couple lowers with it soon. |
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Originally Posted By SoftwareJanitor:
I just received mine yesterday. It looks as good in person as the pictures. It has a very solid feel with the new steel side plates and the design has a few improvements like the larger router surface compared to the original Modulus jig. I am looking forward to finishing a couple lowers with it soon. I'm glad that you are pleased with it. Be sure to keep us updated with your progress as you finish off your lower |
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Originally Posted By maxxx93:
I'm glad that you are pleased with it. Be sure to keep us updated with your progress as you finish off your lower Originally Posted By maxxx93:
Originally Posted By SoftwareJanitor:
I just received mine yesterday. It looks as good in person as the pictures. It has a very solid feel with the new steel side plates and the design has a few improvements like the larger router surface compared to the original Modulus jig. I am looking forward to finishing a couple lowers with it soon. I'm glad that you are pleased with it. Be sure to keep us updated with your progress as you finish off your lower I'm hoping to have time over the weekend. |
...believe in me, I'm with the High Command.
Joined:
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Posts:
8646
EE: 100% (35)
MO, USA
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Originally Posted By SoftwareJanitor:
I'm hoping to have time over the weekend. Originally Posted By SoftwareJanitor:
Originally Posted By maxxx93:
Originally Posted By SoftwareJanitor:
I just received mine yesterday. It looks as good in person as the pictures. It has a very solid feel with the new steel side plates and the design has a few improvements like the larger router surface compared to the original Modulus jig. I am looking forward to finishing a couple lowers with it soon. I'm glad that you are pleased with it. Be sure to keep us updated with your progress as you finish off your lower I'm hoping to have time over the weekend. I've now done several lowers with the HD jig and it is great. I still have a few more to do but I've got no doubt they will go smoothly as I have been getting better and faster as I've gotten more experience. |
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Originally Posted By SoftwareJanitor:
I've now done several lowers with the HD jig and it is great. I still have a few more to do but I've got no doubt they will go smoothly as I have been getting better and faster as I've gotten more experience. Originally Posted By SoftwareJanitor:
Originally Posted By SoftwareJanitor:
Originally Posted By maxxx93:
Originally Posted By SoftwareJanitor:
I just received mine yesterday. It looks as good in person as the pictures. It has a very solid feel with the new steel side plates and the design has a few improvements like the larger router surface compared to the original Modulus jig. I am looking forward to finishing a couple lowers with it soon. I'm glad that you are pleased with it. Be sure to keep us updated with your progress as you finish off your lower I'm hoping to have time over the weekend. I've now done several lowers with the HD jig and it is great. I still have a few more to do but I've got no doubt they will go smoothly as I have been getting better and faster as I've gotten more experience. I think you mentioned you got a Speed Drill in another thread. How has it been working out for you? |
...believe in me, I'm with the High Command.
Joined:
May 2006
Posts:
8903
EE: 100% (35)
MO, USA
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Originally Posted By ModulusArms:
I think you mentioned you got a Speed Drill in another thread. How has it been working out for you? Originally Posted By ModulusArms:
Originally Posted By SoftwareJanitor:
Originally Posted By SoftwareJanitor:
Originally Posted By maxxx93:
Originally Posted By SoftwareJanitor:
I just received mine yesterday. It looks as good in person as the pictures. It has a very solid feel with the new steel side plates and the design has a few improvements like the larger router surface compared to the original Modulus jig. I am looking forward to finishing a couple lowers with it soon. I'm glad that you are pleased with it. Be sure to keep us updated with your progress as you finish off your lower I'm hoping to have time over the weekend. I've now done several lowers with the HD jig and it is great. I still have a few more to do but I've got no doubt they will go smoothly as I have been getting better and faster as I've gotten more experience. I think you mentioned you got a Speed Drill in another thread. How has it been working out for you? The speed drill kit works great. Definitely saves time as the smaller bit goes in easy and then the 3/8" goes in the pre-drilled hole like drilling into butter. I also like that there is a lot less likelihood of wear to the jig when using the speed drill kit as the initial hole drill doesn't touch the jig at all and the final 3/8 goes in so easy and is guided by the existing hole so that it is highly unlikely it will wear the jig at all. It is definitely a worthwhile tool. |
...believe in me, I'm with the High Command.
Joined:
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Posts:
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EE: 100% (35)
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Originally Posted By BlackdogGS:
I have 5 receivers. I'm looking for a jig with bushings on both sides and bits, everything to do all 5 at one time. We're doing this as a family project. What would you suggest? I see some I like for $150-$200 but do I have to spend that much? I've done more than 5 with my Modulus Universal HD jig and their tooling set. The entire side plates are steel as are the milling and drilling templates for the top. Especially if you use it with their Speed Drill Kit I think the jig could easily do dozens of lowers. It isn't cheap, but in my opinion it is about the best you can get, and worth it, especially if you are doing a bunch of lowers. FWIW, you could easily do your 5 lowers and then sell the used jig and tooling on EE and recoup most of your investment. |
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Originally Posted By SoftwareJanitor:
I've done more than 5 with my Modulus Universal HD jig and their tooling set. The entire side plates are steel as are the milling and drilling templates for the top. Especially if you use it with their Speed Drill Kit I think the jig could easily do dozens of lowers. It isn't cheap, but in my opinion it is about the best you can get, and worth it, especially if you are doing a bunch of lowers. FWIW, you could easily do your 5 lowers and then sell the used jig and tooling on EE and recoup most of your investment. Originally Posted By SoftwareJanitor:
Originally Posted By BlackdogGS:
I have 5 receivers. I'm looking for a jig with bushings on both sides and bits, everything to do all 5 at one time. We're doing this as a family project. What would you suggest? I see some I like for $150-$200 but do I have to spend that much? I've done more than 5 with my Modulus Universal HD jig and their tooling set. The entire side plates are steel as are the milling and drilling templates for the top. Especially if you use it with their Speed Drill Kit I think the jig could easily do dozens of lowers. It isn't cheap, but in my opinion it is about the best you can get, and worth it, especially if you are doing a bunch of lowers. FWIW, you could easily do your 5 lowers and then sell the used jig and tooling on EE and recoup most of your investment. Good to hear. I didn't want to pay that much but I think I would appreciate the high quality. I'll look for a used one first. If I don't find one I'll sell mine after I'm done. |
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Originally Posted By BlackdogGS:
Good to hear. I didn't want to pay that much but I think I would appreciate the high quality. I'll look for a used one first. If I don't find one I'll sell mine after I'm done. Originally Posted By BlackdogGS:
Originally Posted By SoftwareJanitor:
Originally Posted By BlackdogGS:
I have 5 receivers. I'm looking for a jig with bushings on both sides and bits, everything to do all 5 at one time. We're doing this as a family project. What would you suggest? I see some I like for $150-$200 but do I have to spend that much? I've done more than 5 with my Modulus Universal HD jig and their tooling set. The entire side plates are steel as are the milling and drilling templates for the top. Especially if you use it with their Speed Drill Kit I think the jig could easily do dozens of lowers. It isn't cheap, but in my opinion it is about the best you can get, and worth it, especially if you are doing a bunch of lowers. FWIW, you could easily do your 5 lowers and then sell the used jig and tooling on EE and recoup most of your investment. Good to hear. I didn't want to pay that much but I think I would appreciate the high quality. I'll look for a used one first. If I don't find one I'll sell mine after I'm done. Sounds like a plan! |
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Originally Posted By wtjosaas:
Ordered the Modulus for $179.00 plus got the lower for $39.00. I have few other 80% lowers that I have been picking up so this should be fun!! I can tell you from experience... IT IS FUN! I love DIY projects and completing 80% lowers is a particularly rewarding one. Since doing AR lowers I have also now done one of the new Polymer 80 Spectre PF940 80% Glock compatible frames. I am wanting to do an 80% 10/22 compatible and a 1911 now... |
...believe in me, I'm with the High Command.
Joined:
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EE: 100% (35)
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Originally Posted By SoftwareJanitor:
Since doing AR lowers I have also now done one of the new Polymer 80 Spectre PF940 80% Glock compatible frames. Did you find installing the pins into the Spectre frame extremely tight? |
"When trading bullets it is better to give than to receive"
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." - George Orwell
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." - George Orwell
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Originally Posted By PursuitSS:
Did you find installing the pins into the Spectre frame extremely tight? Originally Posted By PursuitSS:
Originally Posted By SoftwareJanitor:
Since doing AR lowers I have also now done one of the new Polymer 80 Spectre PF940 80% Glock compatible frames. Did you find installing the pins into the Spectre frame extremely tight? Yes. I had to use a roll pin starter and hammer them in with a punch. And that was after running the drill bit all the way through and in and out several times from each side. The good news I guess is that I have faith that they probably aren't coming out until I hammer them out. |
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I have purchased an inexpensive, but quality drill press, and I have gathered all the other materials to create my 80% lower. I am confused about some procedures however.
I have watched many videos and often a variety of information concerning how deep to drill comes up. Often the information can also be somewhat incomplete. Even the instructions for the jig that I purchased has some information that seems a little confusing. I do have a factory lower that I can measure and maybe figure this all out, but it would seem that this would be the type of information that would be very standard. It often seems to not be the case. Have to get the micrometer out and spend an evening carefully charting all the measurements. It's the kind of thing that pretty much has to be done right the first time. |
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Originally Posted By chrislind2:
I have purchased an inexpensive, but quality drill press, and I have gathered all the other materials to create my 80% lower. I am confused about some procedures however. I have watched many videos and often a variety of information concerning how deep to drill comes up. Often the information can also be somewhat incomplete. Even the instructions for the jig that I purchased has some information that seems a little confusing. I do have a factory lower that I can measure and maybe figure this all out, but it would seem that this would be the type of information that would be very standard. It often seems to not be the case. Have to get the micrometer out and spend an evening carefully charting all the measurements. It's the kind of thing that pretty much has to be done right the first time. Ours comes with a depth gauge to precisely measure depths of cut.
HD Jig |
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Originally Posted By chrislind2:
I have purchased an inexpensive, but quality drill press, and I have gathered all the other materials to create my 80% lower. I am confused about some procedures however. I have watched many videos and often a variety of information concerning how deep to drill comes up. Often the information can also be somewhat incomplete. Even the instructions for the jig that I purchased has some information that seems a little confusing. I do have a factory lower that I can measure and maybe figure this all out, but it would seem that this would be the type of information that would be very standard. It often seems to not be the case. Have to get the micrometer out and spend an evening carefully charting all the measurements. It's the kind of thing that pretty much has to be done right the first time. Here's plenty of measurements and specs to get you from 0% to 100% 80% Milling Info Most of that was geared around those with access to a mill, but I linked my Google docs in there too for even more specs. |
A firearm is like a parachute, if you need one but don't have one, you'll probably never need one again.
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I bought a Stealth Arms jig. It is on the simplistic side. Cheaper that way I suppose. I think it will do what I want though.
I cut some small wood dowels to 1.249 and 1.3 something, forgot what the second one was. Then marked the side of the jig with a punch. Just have to get a feel for all this. Going to be a challenge, but that makes it more interesting. I'm sure I can figure it out. |
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...believe in me, I'm with the High Command.
Joined:
May 2006
Posts:
9256
EE: 100% (35)
MO, USA
"When trading bullets it is better to give than to receive"
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." - George Orwell
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." - George Orwell
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I used a Anderson jig for my first 2 and didnt have any problems, but if I decide to do more I will have to get a 5D or Modulus jig.
Also do you guys recommend drilling trigger and safety holes before or after milling the fcg pocket? I have heard people do it both ways but most official instructions have you drill them after, is this for a reason? |
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Originally Posted By Hking:
I used a Anderson jig for my first 2 and didnt have any problems, but if I decide to do more I will have to get a 5D or Modulus jig. Also do you guys recommend drilling trigger and safety holes before or after milling the fcg pocket? I have heard people do it both ways but most official instructions have you drill them after, is this for a reason? I partially drill my trigger, hammer and safety holes before I start milling the FCG pocket, I go in about 1/4in on each side, then start the milling process, works great and I don't have to worry about drill bit deflection. |
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Originally Posted By group8:
Who currently (March 2017) sells good quality AR-15 80% lowers? Same question for DPMS 308 80% lowers. 
AR15 80% lowers 308 80% lowers |
80% Jigs Summary (Page 3 of 5)
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