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October 20, 2018, 05:23 PM | #1 |
Senior Member
Join Date: June 10, 2005
Location: SW Florida
Posts: 2,747
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A2/Lo-Pro gas block update, install, and a few pics.
First of all, thank you all for your advice on the other thread. I appreciate the input. As I had mentioned there, I chickened out, wasn't going to disassemble my current upper receiver, decided to just build a new one.
Here's the list of componants again. Anderson Slick side upper receiver: https://www.righttobear.com/Anderson...-p/m4slick.htm Anderson .223 Wylde 1:8 nitride Barrel: https://www.andersonmanufacturing.co...black-nitride/ Odin Works Ragna 12.5 handguard: https://www.odinworks.com/M_LOK_Fore...f-12-ml-ra.htm Odin Works gas block: https://www.odinworks.com/Low_Profil...ck_p/gb-75.htm Kaw Valley dimpling jig: https://www.kawvalleyprecision.com/K...g-jig-.750.htm I threw the Anderson barrel in the jig this morning and into the drill press. Thought I'd try lubing the bit and jig and barrel surface with some Lucas heavy gun oil and I couldn't get the bit to start at all, nitride on that Anderson barrel was hard as a rock ( two cobalt bits from McMaster-Carr, 5/32"). Tried for over 5 minutes, finally I gave up, chucked up the second bit I had, and this time I used WD-40 to lube the bit, but I'd pull the bit out every 5-10 seconds, spray it, cool it, and it caught and drilled beautifully. I only went deep enough for the hole to be full width of the bit head, very shallow but fine for set screws. I bent one Wheeler punch setting the gas tube pin, and broke another driving it into the gas block. Hopefully Wheeler will replace them. Otherwise, everything else went well. Anderson barrel looks good by the way, feed ramps looked good, bore and rifling were clean, crown looked good. Overall a nice looking barrel, I hope it performs well. Was actually better finished than I expected and MUCH better than some of the BCA barrels I've seen. Gas tube is black nitrided. Nice USA made tube. Here's a few pics.
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God's creatures big and small, eat them one, eat them all. |
October 20, 2018, 05:32 PM | #2 |
Senior Member
Join Date: June 10, 2005
Location: SW Florida
Posts: 2,747
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By the way, that Kaw Valley dimpling jig works GREAT !! Lined up everything perfectly !! Highly recommend one if you have to dimple your barrel.
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God's creatures big and small, eat them one, eat them all. |
October 21, 2018, 03:31 AM | #3 |
Senior Member
Join Date: May 22, 2007
Location: Arizona
Posts: 5,299
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Nifty! I will be installing my first gas block next week. Barrel is already dimpled, though.
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October 21, 2018, 06:57 AM | #4 |
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Join Date: October 15, 1998
Location: Sherman, TX USA
Posts: 3,750
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Well done, and looks good!
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October 21, 2018, 07:14 AM | #5 |
Junior member
Join Date: February 2, 2010
Posts: 6,846
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Wow, those are some gnarly divots, Dude.
Not for me,I'll just buy clamp on blocks. |
October 21, 2018, 12:27 PM | #6 |
Senior Member
Join Date: June 10, 2005
Location: SW Florida
Posts: 2,747
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Not the prettiest, but I'll never see them under the gas block and they work just fine.
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God's creatures big and small, eat them one, eat them all. |
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