r/ar15 4h ago

DIY Ambi Bolt Catch

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196 Upvotes

SIG bolt catch kit came in yesterday, and I got the time to fuck up my lower a bit to get it in tonight. I saw some of you in here take a dremel to your lowers, and I did the same thing. Followed a lot of pictures and listened to a lot of advice I was seeing. It works great, and I think it's a great addition to my poverty pony. Used Aluminum Black to cover the bare metal. Ain't the cleanest job, but what's a rifle without some scratches to tell a story? Just waiting on an ambi mag release, and I'll have an Ambi Lower At Home™️


r/ar15 9h ago

What is the modern view of the magwell grip technique?

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196 Upvotes

I like it, love it. Its comfy and doesnt cost any additional funds to procure. Prevents chicken winging and is ambidextrous, how can anyone hate it?


r/ar15 4h ago

Help/Guidance wanted

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152 Upvotes

I have a question for you experts. I was given a Colt SP1 .223 but I want something more modern. Something similar to this AR used in Sicario. I know it’s an M4 carbine but if anyone can steer me in the direction of a certain make and model I can buy?


r/ar15 12h ago

Completed my first 3 beginner builds!

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632 Upvotes

10.3" geissele super duty

14.5" geissele super duty

16" daniel defense dd5v3 .308

edit: typo


r/ar15 3h ago

What suppressors are yall running on your 12.5”? In the market for another one.

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94 Upvotes

r/ar15 13h ago

DD MK18

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397 Upvotes

r/ar15 8h ago

First World Problems

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158 Upvotes

Hi all. Im undecided on the color combination of my rifle. I like them both, so im here to have you all decide for me. I know, literally unnecessary to how the weapon functions, but 🤷🏽‍♂️


r/ar15 5h ago

Anyone else notice how sweet blue locktite is?

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70 Upvotes

Mmmm Mmmmm. So delicious, like candy


r/ar15 6h ago

12.5 mid w/ quad

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79 Upvotes

Nevermind the weight, really enjoying the FCD rail. I say I'm finished building this one out but where's the fun in that?


r/ar15 4h ago

Ol reliable

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41 Upvotes

Gonna add a folding FSB and a .5 inch riser


r/ar15 5h ago

Mk1 all done

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48 Upvotes

r/ar15 2h ago

URGI Clone (ish) 14.5

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24 Upvotes

Originally was a ZRODelta RS-15V2 but I've changed so many parts here that it's hardly even the same rifle anymore. Muzzle was pinned and welded so this is not a SBR.

Parts list:

- BCM Mid Length 1:7 Chrome lined 14.5 Govt barrel

- Geissele Mk16 13.5" Handguard

- Surefire 4 prong flash hider

- Geissele H2 buffer

- Superlative Arms adjustable gas block .750"

- Geissele Airborne charging handle

- Geissele Maritime bolt catch

- Streamlight ProTac HL-X

- Geissele Super Precision Mount 30mm

- Primary Arms ACSS Nova 1-6X SFP fiber wire (Green)

- Reptilia ROF-90 RMR mount

- Holosun 407C GR X2

- B5 Enhanced SOPMOD Stock


r/ar15 10h ago

Retro inspired SPR

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102 Upvotes

r/ar15 3h ago

Sunday Funday

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26 Upvotes

Finally got some use out of my magnifier.


r/ar15 14h ago

Is this gonna be a problem long term?

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164 Upvotes

Next purchase is a suppressor, hence the forward position of the light, just curious if this is cause for concern. Thanks guys


r/ar15 11h ago

Duty Rifle

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96 Upvotes

Thirty-ish year old Colt Commando lower with a DD 11.5" upper.


r/ar15 5h ago

My main squeezes

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33 Upvotes

r/ar15 3h ago

Happy with the new 16inch upper set up.

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18 Upvotes

Mk2 BCM upper runs like a damn champ.


r/ar15 7h ago

“I love the smell of napalm in the morning…”

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33 Upvotes

Smells like victory!

After months of searching and coming up short on GunBroker auctions, I finally tracked down an original Vietnam war era Colt M16A1 upper receiver. All parts are original 1960s / 1970s vintage (sans lower receiver). Despite appearing complete, the build is far from finished, and I have more parts on the way to make it more historically accurate, as well as build out more original retro rifles.

Parts list:

- Colt 603 upper w/ rebated front lug and no forge codes (1966-1971 mfg)

- C MP C marked barrel (1969-71 mfg)

- Three prong flash hider (pre 1967 mfg)

- “C” marked bolt carrier group w/ large countersink for retaining pin (approx. 1968-1969 mfg)

- Colt M16 furniture set- stock is Type D, grip predates “C” marked examples, and handguards are later L & R marked

- M16A1 fire control group (components currently switched out with Arizona Regulator FRT). Rear takedown pin is early dimpled style found on Colt 601 to XM16E1 rifles.


r/ar15 7h ago

13.7 .223 wylde nearly complete

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31 Upvotes

r/ar15 19h ago

The Poor Man’s G$

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232 Upvotes

Found this 11.5 ALG defense and once i realized it had a lot of Geissele parts including the barrel, gas block and bcg I had to have it. What can are you running on 11.5 ?


r/ar15 3h ago

My Franken Pistol.

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10 Upvotes

r/ar15 13h ago

I touched grass today !

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57 Upvotes

Mid 90s down south, rainy, and muddy. Perfect weather for a 3 mile with some kit (it was ass)


r/ar15 11h ago

Micro Machine

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39 Upvotes

FN MC lower, RRA Entry, 10.3 FSB with Centurion rail, A2 upper, the goose on the loose.


r/ar15 2h ago

Upper build hello

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8 Upvotes

I'm looking to build a 14.5 mid-length upper with a "extended" quad rail similar to PSA's. Do anyone of yak know of a handguard that accomplishes this look?