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Old May 15th, 2013, 11:32 PM #21
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You need to get a roll pin starter punch to make that job effortless..

Nice build! Looks great!!
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Old May 15th, 2013, 11:45 PM #22
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Quote:
Originally Posted by Fireball View Post
Lower is done

Came out decent. couple scratches putting the mag catch on...damn that side rollpin. I just hit the scratches with a sharpie. That front takedown pin SUCKS to assemble LOL.
Try aluminum black comes in a blue bottle wonderful small scratches and touching up finished on the of pins.
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Old May 16th, 2013, 08:33 AM #23
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Quote:
Originally Posted by Fireball View Post
Lower is done

Came out decent. couple scratches putting the mag catch on...damn that side rollpin. I just hit the scratches with a sharpie. That front takedown pin SUCKS to assemble LOL.
I don't know why manufacturers just don't tap that hole. I just got done putting a custom billet lower together about a month ago and the bolt catch pin was a Allen head screw instead of a roll pin. It made things much easier and I didn't need to mess up the finish.

Sent from my SGH-T999 using Tapatalk 2
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Old May 16th, 2013, 09:09 AM #24
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Quote:
Originally Posted by ObsceneJesster View Post
I don't know why manufacturers just don't tap that hole. I just got done putting a custom billet lower together about a month ago and the bolt catch pin was a Allen head screw instead of a roll pin. It made things much easier and I didn't need to mess up the finish.

Sent from my SGH-T999 using Tapatalk 2
Don't a lot of the 308 lowers do it this way (edit... many use a set screw)? I may have to consider that in future designs. It wouldn't be hard to to back and tap it with an extended tap. That hole would easily tap to a 4-40 or 4-48, depending on what size it was actually drilled to for the pin...
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Old May 16th, 2013, 09:12 AM #25
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Two small tools make that pin easy, I have done it many times. A roll pin starter punch and an actual roll pin punch (with the ball tip). Start it and set it in as far as you can with the starter punch and finish it off with the roll pin punch. Clean, easy and much less chance of slippin off that stinkin pin or smashin yer fingers trying to start it... LMAO
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Old May 16th, 2013, 09:18 AM #26
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Quote:
Originally Posted by Sticky View Post
Two small tools make that pin easy, I have done it many times. A roll pin starter punch and an actual roll pin punch (with the ball tip). Start it and set it in as far as you can with the starter punch and finish it off with the roll pin punch. Clean, easy and much less chance of slippin off that stinkin pin or smashin yer fingers trying to start it... LMAO
Two tools I didn't have. I'm all for buying tools...I have more than I can ever use...but I don't plan on assembling too many recievers

I did buy an armorers wrench and upper/lower vise blocks since those will come in handy over time.
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Old May 16th, 2013, 09:36 AM #27
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Quote:
Originally Posted by Fireball View Post
Two tools I didn't have. I'm all for buying tools...I have more than I can ever use...but I don't plan on assembling too many recievers

I did buy an armorers wrench and upper/lower vise blocks since those will come in handy over time.
I hear ya.. lol You can get away with cheapies from Amazon or somebody like that. You don't have to spend big $$ on em.

Vise blocks, armorers wrench, wrench for free float handguards and I got a front sight block/barrel block to help with removing and reinstalling pinned gas blocks.. all essential tools for buildin the AR.

I use an allen wrench (3/16 I think) or a slightly undersized punch to help with that stinking detent and spring for the front pivot pin. Slide that through from the back side and get the detent under it. Use the punch or wrench to hold it down, then slide your pin up against it and use the pin to push the punch out.. just like installing the trigger or especially the hammer pin. I made a punch to help with that, works like a champ!
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Old May 16th, 2013, 09:45 AM #28
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Try aluminum black comes in a blue bottle wonderful small scratches and touching up finished on the of pins.
thanks for the tip. I searched and saw they essentially make it in a pen too.
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Old May 16th, 2013, 11:48 AM #29
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Looks real good. Went with the same set up from PSA. After countless hours searching for matching furniture for my upper, I found that this was a lot better deal than buying it piece meal, and matching color was not that big a deal. Upper came in yesterday and the rest of the parts are in transit.
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Old May 16th, 2013, 12:05 PM #30
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Quote:
Originally Posted by Fireball View Post
Lower is done

Came out decent. couple scratches putting the mag catch on...damn that side rollpin. I just hit the scratches with a sharpie. That front takedown pin SUCKS to assemble LOL.
GOOD JOB BRO!
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