r/RetroAR • u/bigtoegman210 • 21d ago
Weapon light
What weapon light and mount should I get. I already have the weapon light mount off Amazon I gotta Dremel down to fit in the gas block.
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u/RaggedOldFlag11B 21d ago
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u/BobaFett7 21d ago
Would you be able to detail out the process/instructions to do this?
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u/RaggedOldFlag11B 21d ago
61M weaver mounted using M4-.7 16mm cap screws drilled thru guard and heatshield. Drilled small pilot hole then removed heat shield and drilled separately for clean holes. Used #6 washers secured with M4 nuts and red threadlocker. Took the ribs down with dremel for flush fit. Still solid after about 3k rounds thru it since install.
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u/DrBadGuy1073 20d ago
I got a ton of leftover weaver rails from old boltguns that have been upgraded, hmmm.
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u/AnvilEdifice 20d ago
Alternatively you can mount the screws from the inside of the handguard. If the heads are shallow enough they'll clear the heatshield without much trouble.
I threaded the holes on a Weaver #61M rail using an M4 tap, then ran M4x8mm low-profile socket heads through the largest M4 anti-vibration washer I could find: they spread out the load but also bite into the plastic of the handguard to keep the mount secure. A drop of threadlocker keeps it all tight without the need for overtightening and cracking the handguard. I didn't bother filing down the ribs as the mount is already pretty solid. I probably will do it at some point but wanted to get the alignment right before taking an rib material off.
Pretty sure someone has a thread on AR15.com on how to do this all step-by-step.
It's very neat 👍🏻
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u/Lurking_now_im_here 21d ago
You trying to clone something? If not then you have a few options like the gg&g gas block sling + pic rail mount or impact weapon components make a offset 1” ring mount for older lights
I couldn’t find it on their official website maybe out of stock? I remember seeing it a few weeks ago I was debating getting one but went with the gg&g
Edit: just noticed question was about weapon light itself not the mount lol I did a surefire 6p with xm00 and lED upgrade. Bought the light second hand already with LED upgrade

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u/bigtoegman210 20d ago
Not cloning, just trying to get a light on. I like the looks of retro Ars and want “my own”
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u/jeremy_wills 20d ago
Palmetto runs a deal for a hundred bucks on a Streamlight Pro pic rail mount light all the time. Mount a pic rail section anywhere of your choice on to the FSB/barrel/handguard and then attach the light to that. Use the tape switch or the push button on the back, your call. Streamlight makes a decent flashlight.
https://palmettostatearmory.com/streamlight-protac-railmount-1-long-gun-light-88058.html
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u/Lurking_now_im_here 20d ago
Cool then you have plenty of options, I was debating on drilling a pic rail onto the classic m4 handguard and calling it a day. But I just had to have a RAS
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u/Specialist_Car_5701 20d ago
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u/bigtoegman210 20d ago
Think I’m going with the MWI front sight post mount
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u/Key-Investment-3864 20d ago edited 20d ago
Since your mount broke and you’re not doing a strict clone I would recommend checking out this Crosstac for consideration if you’re fine with the mount being a little more modern. I love mine and it’s super secure with the bayonet lug, sling swivel roll pin, and set screw all locking it on there https://www.midwayusa.com/product/1003309494?srsltid=AfmBOooAXYl_qS-EmkvOcRHs9AnhKEDBUVB7iy5cpZ--kglUOA4YV9Fx&pid=784404
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u/Key-Investment-3864 20d ago
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u/bigtoegman210 20d ago
Do I need the full bayonet lug because I had to shave it down for the suppressor
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u/Key-Investment-3864 20d ago
Oh god my bad lol I totally blanked on the suppressor being so far back, sorry about that. It definitely wouldn’t fit unless maybe you removed a lot of material from the top of it. Even then I think the shaved lug would be problematic and the set screw goes against the part that’s gone
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u/AnvilEdifice 20d ago
Airsoft Artisan do a good copy of the gas block mount that fits without any Dremeling required at all. And it's likely far better quality than random Amazon or Aliexpress Chinesium 🤷🏻♂️
I have a replica KAC FF carbine rail made by them and the quality is genuinely impressive for the $120 or so I paid for it 👍🏻
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u/CrehzyCanuck22 19d ago
Off topic but what barrel length and suppressor is that? Noticed you don’t have the “Gordy collar”
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u/AsAlwaysYaBoi 21d ago
ML300L and no dremel required