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Posted: 4/20/2021 3:37:04 PM EDT
[Last Edit: Dyzastr]
[#1]
Quote HistoryOriginally Posted By Air_Soft_Contractor: In this Coast Guard pic you can see the GG&G rear sight with logo. https://www.americanspecialops.com/images/photos/coast-guard/msst-lefp-hr.jpg Another pic with what I think is a GG&G rear sight and a GG&G optic mount. https://upload.wikimedia.org/wikipedia/commons/4/4c/USCG_MSRT.JPG Eta- my old colt bolt carrier almost looks like a chrome carrier.  Attached File |
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TX, USA
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Posted: 4/20/2021 7:24:09 PM EDT
[Last Edit: hatexoc]
[#2]
Taking a 3 day class next weekend, going to be running the bottom mk18pr-ish rifle with the cqbr as back up.
I can’t exactly point out why but the mk18 has become my go to for everything. https://ibb.co/D5h310d 
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Posted: 4/20/2021 9:00:21 PM EDT
[#3]
Quote HistoryOriginally Posted By UndrGrndPrdcts: That chop saw tho. Dude is literally carrying a chop saw backup. |
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Posted: 4/20/2021 9:03:57 PM EDT
[#4]
Quote HistoryOriginally Posted By UndrGrndPrdcts: That chop saw tho. yeah, carbon fiber chop-saw. wow. probably not Harbor Freight. |
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DC, USA
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Posted: 4/20/2021 9:07:28 PM EDT
[#5]
Quote HistoryOriginally Posted By rpoL98: yeah, carbon fiber chop-saw. wow. probably not Harbor Freight. Quote HistoryOriginally Posted By rpoL98: Originally Posted By UndrGrndPrdcts: That chop saw tho. yeah, carbon fiber chop-saw. wow. probably not Harbor Freight. Clone correct chop saw anybody? |
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Posted: 4/20/2021 9:20:29 PM EDT
[#6]
Quote HistoryOriginally Posted By Air_Soft_Contractor: Clone correct chop saw anybody? Looks like a spray painted Husqvarna K760 
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Posted: 4/20/2021 9:26:10 PM EDT
[#7]
Quote HistoryOriginally Posted By rpoL98: yeah, carbon fiber chop-saw. wow. probably not Harbor Freight. Carbon fiber? I mean it's a nice saw, but theres no carbon fiber on it... |
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Posted: 4/20/2021 9:31:39 PM EDT
[#8]
Quote HistoryOriginally Posted By pezboytate: To those of you that are hesitant to buy the auto selector because it's auto. Using a full auto selector in a semi auto AR15: If you have a semi auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi safe. If you have a full auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi semi. If you have a full auto trigger and full auto disconnector and don't remove the nub, it will be safe semi hammer follow. Depending on timing, this could result in multiple shots being fired. It's probably not a good idea to use this combo. If you have any trigger and any disconnector and remove the nub from the auto selector, it will be safe semi semi. If your AR15 doesn't have selector stops, the selector will be able to travel past safe while rotating counter clockwise and will be able to travel past auto when rotating clockwise. Function check it after you install it. Make sure it goes from semi to safe with the bolt forward and locked to the rear. And if you've got a 2-stage w/ auto safety, it will be safe, semi, semi. Not exactly Mk18 related, but there's some crossover from the Mk12/Mod H crowd. |
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Posted: 4/20/2021 11:30:25 PM EDT
[#9]
Quote HistoryOriginally Posted By SecretSquirell: And if you've got a 2-stage w/ auto safety, it will be safe, semi, semi. Not exactly Mk18 related, but there's some crossover from the Mk12/Mod H crowd. Quote HistoryOriginally Posted By SecretSquirell: Originally Posted By pezboytate: To those of you that are hesitant to buy the auto selector because it's auto. Using a full auto selector in a semi auto AR15: If you have a semi auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi safe. If you have a full auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi semi. If you have a full auto trigger and full auto disconnector and don't remove the nub, it will be safe semi hammer follow. Depending on timing, this could result in multiple shots being fired. It's probably not a good idea to use this combo. If you have any trigger and any disconnector and remove the nub from the auto selector, it will be safe semi semi. If your AR15 doesn't have selector stops, the selector will be able to travel past safe while rotating counter clockwise and will be able to travel past auto when rotating clockwise. Function check it after you install it. Make sure it goes from semi to safe with the bolt forward and locked to the rear. And if you've got a 2-stage w/ auto safety, it will be safe, semi, semi. Not exactly Mk18 related, but there's some crossover from the Mk12/Mod H crowd. Yes. The SSA will function like the auto trigger, semi disconnector and the SSF will function like the auto trigger, auto disconnector. I think it's the same for the KAC ones. |
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Posted: 4/21/2021 12:49:08 AM EDT
[#10]
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Posted: 4/21/2021 1:10:45 AM EDT
[#11]
Quote HistoryOriginally Posted By LsuJon: Here's some MK18s to muddy the waters https://www.ar15.com/media/mediaFiles/316069/AE5521DA-E1B9-42F6-83BA-FDCAC378C3C5_jpe-1912864.JPG https://www.ar15.com/media/mediaFiles/316069/96E694CB-AC4E-4B03-94BA-1D8F327CD73D_jpe-1912866.JPG Psst.. barrel too long
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Posted: 4/21/2021 1:16:17 AM EDT
[Last Edit: LsuJon]
[#12]
Quote HistoryOriginally Posted By kmcale: Psst.. barrel too long 
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Posted: 4/21/2021 1:18:01 AM EDT
[#13]
Quote HistoryOriginally Posted By LsuJon: Psst... peak the lower "Muddy the waters" makes sense now |
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USA
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Posted: 4/21/2021 2:56:22 AM EDT
[#14]
Quote HistoryOriginally Posted By pezboytate: To those of you that are hesitant to buy the auto selector because it's auto. Using a full auto selector in a semi auto AR15: If you have a semi auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi safe. If you have a full auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi semi. If you have a full auto trigger and full auto disconnector and don't remove the nub, it will be safe semi hammer follow. Depending on timing, this could result in multiple shots being fired. It's probably not a good idea to use this combo. If you have any trigger and any disconnector and remove the nub from the auto selector, it will be safe semi semi. If your AR15 doesn't have selector stops, the selector will be able to travel past safe while rotating counter clockwise and will be able to travel past auto when rotating clockwise. Function check it after you install it. Make sure it goes from semi to safe with the bolt forward and locked to the rear. Quote HistoryOriginally Posted By pezboytate: To those of you that are hesitant to buy the auto selector because it's auto. Using a full auto selector in a semi auto AR15: If you have a semi auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi safe. If you have a full auto trigger and semi auto disconnector and don't remove the nub from the auto selector, it will be safe semi semi. If you have a full auto trigger and full auto disconnector and don't remove the nub, it will be safe semi hammer follow. Depending on timing, this could result in multiple shots being fired. It's probably not a good idea to use this combo. If you have any trigger and any disconnector and remove the nub from the auto selector, it will be safe semi semi. If your AR15 doesn't have selector stops, the selector will be able to travel past safe while rotating counter clockwise and will be able to travel past auto when rotating clockwise. Function check it after you install it. Make sure it goes from semi to safe with the bolt forward and locked to the rear. Originally Posted By pezboytate: Yes. The SSA will function like the auto trigger, semi disconnector and the SSF will function like the auto trigger, auto disconnector. I think it's the same for the KAC ones. Originally Posted By SecretSquirell: And if you've got a 2-stage w/ auto safety, it will be safe, semi, semi. Not exactly Mk18 related, but there's some crossover from the Mk12/Mod H crowd. I remember a while back the Army and TACOM issued a safety bulletin regarding the safeties on M16 and M4 series. Do we need to worry about this if we have a FA ambi safety, but using them on a SA lower and trigger? I have a semi auto lower, completed from 80%, Geissele SSA(maybe SSA-E?) trigger, and Colt cage code FA ambi safety from Brownells. It seems to fail at #3 below, but if I pull the trigger 3 times then the hammer drops on the 3rd pull. It doesn't fail at #4 though. The TACOM function check (source):
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Posted: 4/21/2021 3:25:29 AM EDT
[#15]
Quote HistoryOriginally Posted By LsuJon: Here's some MK18s to muddy the waters https://www.ar15.com/media/mediaFiles/316069/AE5521DA-E1B9-42F6-83BA-FDCAC378C3C5_jpe-1912864.JPG https://www.ar15.com/media/mediaFiles/316069/96E694CB-AC4E-4B03-94BA-1D8F327CD73D_jpe-1912866.JPG @USNGUNS mentioned this years back. The original Mod 0’s were converted to 14.5 M4A1’s |
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Posted: 4/21/2021 3:51:16 AM EDT
[#16]
Quote HistoryOriginally Posted By MILSPEC556: @USNGUNS mentioned this years back. The original Mod 0's were converted to 14.5 M4A1's  . It's actually pretty easy to find the photos to w/ a quick google. Those were just two examples out of many.
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Posted: 4/21/2021 8:07:20 AM EDT
[#17]
Quote HistoryOriginally Posted By tnbigdawg: I remember a while back the Army and TACOM issued a safety bulletin regarding the safeties on M16 and M4 series. Do we need to worry about this if we have a FA ambi safety, but using them on a SA lower and trigger? I have a semi auto lower, completed from 80%, Geissele SSA(maybe SSA-E?) trigger, and Colt cage code FA ambi safety from Brownells. It seems to fail at #3 below, but if I pull the trigger 3 times then the hammer drops on the 3rd pull. It doesn't fail at #4 though. The TACOM function check (source):
I don't think that applies with any semi parts. However, you are using an 80% lower so you want to really ensure your selector hole and trigger pin hole are in the correct location and that your safety is working properly. |
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Posted: 4/21/2021 8:08:06 AM EDT
[#18]
Quote HistoryOriginally Posted By LsuJon: Here's some MK18s to muddy the waters https://www.ar15.com/media/mediaFiles/316069/AE5521DA-E1B9-42F6-83BA-FDCAC378C3C5_jpe-1912864.JPG https://www.ar15.com/media/mediaFiles/316069/96E694CB-AC4E-4B03-94BA-1D8F327CD73D_jpe-1912866.JPG That rear sight position 
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DC, USA
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Posted: 4/21/2021 9:19:33 AM EDT
[#19]
Quote HistoryOriginally Posted By pezboytate: That rear sight position Quote HistoryOriginally Posted By pezboytate: Originally Posted By LsuJon: Here's some MK18s to muddy the waters https://www.ar15.com/media/mediaFiles/316069/AE5521DA-E1B9-42F6-83BA-FDCAC378C3C5_jpe-1912864.JPG https://www.ar15.com/media/mediaFiles/316069/96E694CB-AC4E-4B03-94BA-1D8F327CD73D_jpe-1912866.JPG That rear sight position It looks like that might be due to the stock not being extended. |
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USA
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Posted: 4/21/2021 10:47:11 AM EDT
[#20]
Quote HistoryOriginally Posted By MILSPEC556: @USNGUNS mentioned this years back. The original Mod 0’s were converted to 14.5 M4A1’s Quote HistoryOriginally Posted By MILSPEC556: Originally Posted By LsuJon: Here's some MK18s to muddy the waters https://www.ar15.com/media/mediaFiles/316069/AE5521DA-E1B9-42F6-83BA-FDCAC378C3C5_jpe-1912864.JPG https://www.ar15.com/media/mediaFiles/316069/96E694CB-AC4E-4B03-94BA-1D8F327CD73D_jpe-1912866.JPG @USNGUNS mentioned this years back. The original Mod 0’s were converted to 14.5 M4A1’s Yeah, I posted about it back in 2015. If the waters are muddy again, some time in 2008 or so, Crane directed all ships to requisition M4A1 uppers and ship back the 10.3 uppers. We retained the Aimpoints and Surefires and installed them on the new uppers. At that time, there was no formal armorer training that covered the mounting of optics and accessories for shipboard personnel...probably why photos exist of improperly mounted gear. Some of the old Mk18 lowers are still on ships as of 2021.  
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Posted: 4/21/2021 11:57:50 AM EDT
[#21]
Quote HistoryOriginally Posted By usnguns: Yeah, I posted about it back in 2015. If the waters are muddy again, some time in 2008 or so, Crane directed all ships to requisition M4A1 uppers and ship back the 10.3 uppers. We retained the Aimpoints and Surefires and installed them on the new uppers. At that time, there was no formal armorer training that covered the mounting of optics and accessories for shipboard personnel...probably why photos exist of improperly mounted gear. Some of the old Mk18 lowers are still on ships as of 2021. https://i.imgur.com/ckQEQGP.jpg https://i.imgur.com/8n7Mm9o.jpg |
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Posted: 4/21/2021 12:09:18 PM EDT
[#22]
Quote HistoryOriginally Posted By LsuJon: Can you comment anything about when and why the strike through "18-1" lowers came about? That's not related to those. The 18-1 thing is in NSW. |
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Posted: 4/21/2021 12:13:52 PM EDT
[#23]
Quote HistoryOriginally Posted By LsuJon: Can you comment anything about when and why the strike through "18-1" lowers came about? I was told by a NSW armorer from the west coast that they started that in 2015 before they deployed to Kuwait/Iraq where I was at during that time. These were tracked as Mk 18 Mod 1's on property books and M4A1s were standard guns. Again just a way to track property.  Attached File Attached FileCD |
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Posted: 4/21/2021 4:17:25 PM EDT
[Last Edit: 2Keylows]
[#24]
I foolishly traded my original Mk18 rail for a G Mk16 rail... Sourced another Mk18 and now we've come full circle.
Something about quad rails. Won't make that mistake again. Eta: Done   
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Posted: 4/21/2021 4:41:29 PM EDT
[#25]
Quote HistoryOriginally Posted By TinyCrumb: That's not related to those. The 18-1 thing is in NSW. |
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Posted: 4/21/2021 7:45:03 PM EDT
[#26]
Quote HistoryOriginally Posted By 2Keylows: I foolishly traded my original Mk18 rail for a G Mk16 rail... Sourced another Mk18 and now we've come full circle. Something about quad rails. Won't make that mistake again. Eta: Done https://i.imgur.com/zrdDncwh.jpg https://i.imgur.com/tUYxY5E.jpg https://i.imgur.com/gNxgBVT.jpg |
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Posted: 4/21/2021 11:50:15 PM EDT
[#27]
Quote HistoryOriginally Posted By LsuJon: Tracking. Just was wondering why they went from m4a1 to 18-1 Property book tracking. CD |
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Posted: 4/21/2021 11:51:01 PM EDT
[Last Edit: Combat_Diver]
[#28]
Double post
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Posted: 4/22/2021 4:32:06 PM EDT
[#29]
Knowing that my can has been approved has made this week go by very slow. It shouldn't take 3-4 weeks to mail a letter.
Anyhow, got bored and took the storage tubes off the vltor stock. Also swapped the afg1 out for an afg2. I think the afg1 fits my hand better. That and the lower angle feel more natural for my grip. I would like to also check out the bcm kag at some point.  Attached File |
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MS, USA
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Posted: 4/23/2021 4:12:54 AM EDT
[#30]
thought i would drop by and post a pic of the current way my mk18ish rifle is setup. i'll get bored with it and change it up soon. never been a big clone guy and i've had this rifle set up about 30 different ways so far. sorry if pics show up twice, i couldn't remember how to post pics here.
  https://imgur.com/o2i96Sm https://imgur.com/IJ5C4uk |
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Posted: 4/23/2021 4:18:04 AM EDT
[#31]
Quote HistoryOriginally Posted By AngryPirate901: thought i would drop by and post a pic of the current way my mk18ish rifle is setup. i'll get bored with it and change it up soon. never been a big clone guy and i've had this rifle set up about 30 different ways so far. sorry if pics show up twice, i couldn't remember how to post pics here. https://imgur.com/o2i96Sm https://imgur.com/IJ5C4uk https://imgur.com/o2i96Sm https://imgur.com/IJ5C4uk  Attached File |
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MS, USA
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Posted: 4/23/2021 4:45:20 AM EDT
[Last Edit: AngryPirate901]
[#32]
Quote HistoryOriginally Posted By brodband8: https://www.ar15.com/media/mediaFiles/283538/6715751A-002F-4BD1-B8E3-32CCFFDDADA4_jpe-1915459.JPG that's fine. i set my rifles up how i like them. not how a bunch of randos on the internet deem worthy. unless this is a clone-only thread, in which case, i apologize. i'm new. https://imgur.com/o06ML8W |
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Posted: 4/23/2021 6:28:29 AM EDT
[#33]
Quote HistoryOriginally Posted By AngryPirate901: that's fine. i set my rifles up how i like them. not how a bunch of randos on the internet deem worthy. unless this is a clone-only thread, in which case, i apologize. i'm new. https://imgur.com/o06ML8W |
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MS, USA
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Posted: 4/23/2021 6:41:31 AM EDT
[#34]
Quote HistoryOriginally Posted By LsuJon: It is a clone thread. Let's just say title of the thread has uhhh... seen better days. Oh I see. I can delete if necessary. I'm not having any luck with the search feature. Is there a thread better suited for my pics? |
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Posted: 4/23/2021 7:07:56 AM EDT
[#35]
Quote HistoryOriginally Posted By AngryPirate901: Oh I see. I can delete if necessary. I'm not having any luck with the search feature. Is there a thread better suited for my pics? Build Thread |
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Posted: 4/23/2021 7:30:00 AM EDT
[#36]
Quote HistoryOriginally Posted By AngryPirate901: that's fine. i set my rifles up how i like them. not how a bunch of randos on the internet deem worthy. unless this is a clone-only thread, in which case, i apologize. i'm new. https://imgur.com/o06ML8W Not in here you dont |
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MS, USA
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Posted: 4/23/2021 8:10:08 AM EDT
[#37]
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Posted: 4/23/2021 12:42:14 PM EDT
[Last Edit: MILSPEC556]
[#38]
Nice SBR tho, I actually kind of like it. That never happens when somebody posts a non CQBR in the CQBR thread.
ETA but that dust cover has got to go. |
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Posted: 4/23/2021 12:45:36 PM EDT
[#39]
Fucking Mk18 bullies.....
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Posted: 4/23/2021 12:51:42 PM EDT
[#40]
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Posted: 4/23/2021 12:52:40 PM EDT
[#41]
Quote HistoryQuote HistoryOriginally Posted By brodband8: Originally Posted By Tigwelder1971: Fucking Mk18 bullies..... https://www.ar15.com/media/mediaFiles/283538/56vgaa_jpg-1915835.JPG
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Posted: 4/23/2021 12:57:35 PM EDT
[#42]
Quote HistoryOriginally Posted By brodband8: https://www.ar15.com/media/mediaFiles/283538/56vgaa_jpg-1915835.JPG Lol. Saved for future use. 
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Posted: 4/23/2021 1:03:43 PM EDT
[#43]
Quote HistoryLOL! |
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Posted: 4/23/2021 1:37:55 PM EDT
[#44]
Quote HistoryQuote HistoryOriginally Posted By brodband8: Originally Posted By Tigwelder1971: Fucking Mk18 bullies..... https://www.ar15.com/media/mediaFiles/283538/56vgaa_jpg-1915835.JPG |
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Posted: 4/23/2021 1:57:55 PM EDT
[#45]
Quote HistoryOriginally Posted By Dyzastr: I wonder if that dude has an arfcom account? Which one of you are him? |
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Posted: 4/23/2021 5:35:37 PM EDT
[#46]
Quote Historyyoink! stolen |
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Posted: 4/23/2021 7:05:06 PM EDT
[Last Edit: GHOS7]
[#47]
Some questions.
Any negatives for using the black KAC front sight (99051) vs the taupe besides aesthetics? I have a mil issue 14.5" Colt SOCOM barrel, would the majority here advise not to chop it into a 10.3" ? SF Closed Tine approved or nah? |
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Posted: 4/23/2021 7:11:57 PM EDT
[#48]
Quote HistoryOriginally Posted By GHOS7: Some questions. Any negatives for using the black KAC front sight (99051) vs the taupe besides aesthetics? I have a mil issue 14.5" Colt SOCOM barrel, would the majority here advise not to chop it into a 10.3" ? SF Closed Tine approved or nah? I don't know if the black sights were seen on 10.3"s, but they were definitely on Block IIs at certain times. It's not clone correct to cut down a 14.5" heavy barrel with FSB but there's nothing wrong with it. Closed tines are neat but aren't cloney. They also mess up the suppressor gap a little bit. |
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Posted: 4/23/2021 7:29:26 PM EDT
[Last Edit: GHOS7]
[#49]
^Received and understood, thanks
ETA: Taupe on the way, that was way easier to find than I thought. |
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Posted: 4/23/2021 7:30:41 PM EDT
[#50]
Quote HistoryOriginally Posted By brodband8: https://www.ar15.com/media/mediaFiles/283538/6715751A-002F-4BD1-B8E3-32CCFFDDADA4_jpe-1915459.JPG Quote HistoryOriginally Posted By brodband8: Originally Posted By AngryPirate901: thought i would drop by and post a pic of the current way my mk18ish rifle is setup. i'll get bored with it and change it up soon. never been a big clone guy and i've had this rifle set up about 30 different ways so far. sorry if pics show up twice, i couldn't remember how to post pics here. https://imgur.com/o2i96Sm https://imgur.com/IJ5C4uk https://imgur.com/o2i96Sm https://imgur.com/IJ5C4uk https://www.ar15.com/media/mediaFiles/283538/6715751A-002F-4BD1-B8E3-32CCFFDDADA4_jpe-1915459.JPG 
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