General Categories > General Firearm Discussion
Best place for carbide bits... update with sort of finished 80% project on pg 2
tstuart34:
--- Quote from: RobertH on November 27, 2014, 12:31:26 AM ---well i jumped on a Modulus universal jig and two end mill bits (in case i broke one). it came to $198 shipped. Modulus Arms and 80% Arms both have Black Friday deals going on now. i picked Modulus because their jig can be used with New Frontier Armory billet lowers and 80% Arms cannot.
--- End quote ---
Good to know Robert. I want to pick up one of those New Frontier Armory Lowers. JoeBobs HAD them for $75.... not sure if they are still on sale or not.
RobertH:
As far as i know the Modulus is the only jig that will fit NFA lowers, except the NFA jig. Schuyler Arms Co has annonized NFA blems for $55 plus ship. They look real good.
The BF deals plus 10% off rocks. Im excited to get started.
SS_N_NE:
When you get your jig...stick pins, drill bits, or whatever into the holes, measure with calipers and check against some drawings for dimension ( since measuring outsides of two pins, remember to subtract the radius of two pins to get the hole to hole dimension). There is more than one instance of a jig being off and the results being a botched lower (or numberous botched lowers). There are plenty of dimension drawings scattered around the web to download.
Most stuff is CNC machined reducing chances of error. However, the last 80% I cut had an endmill nick in the mag well edge where someone screwed up on a machine setting...but provided a nice "blem" price if you didn't mind the nick.
tstuart34:
--- Quote from: RobertH on November 27, 2014, 10:32:57 AM ---As far as i know the Modulus is the only jig that will fit NFA lowers, except the NFA jig. Schuyler Arms Co has annonized NFA blems for $55 plus ship. They look real good.
The BF deals plus 10% off rocks. Im excited to get started.
--- End quote ---
Damnit Robert! How do I get the 10% off?
RobertH:
its on their front page.... BLACKFRIDAY10
ETA: not available on BF package deals.
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