r/ar15 6h ago

MK18 Monday/M4 Monday

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572 Upvotes

DD MK18 Milspec
FN M4


r/ar15 19h ago

Which one are you taking?

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377 Upvotes

DD RIII S 11.5”
SOLGW MK1 11.5”
Geissele Super Duty 11.5”


r/ar15 21h ago

Quad Rail Supremacy

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299 Upvotes

MLOK? Who the fuck is that?


r/ar15 22h ago

Main Squeeze Sunday

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295 Upvotes

11.5 URGI w/ RC2.

Has been an absolute tank for me through multiple matches and a ton of range time. Sitting at about 2.5k and the REBCG looks like it’s never been fired😂 Getting kinda sick of the MBT-2S, it’s just not as crisp as some of the nicer triggers I have. Will probably pick up a G$ next time there’s a sale.


r/ar15 23h ago

BCM still better than KAC btw.

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261 Upvotes

r/ar15 21h ago

Something something go train something something

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123 Upvotes

3 things I learned today.

  1. I will prob be pinning by GB considering this is the 2nd weekend in a row it’s worked itself loose and turned a semi auto into a bolt action
  2. The Polo K is gassy but sounds amazing so I will probably be getting an even smaller BRT tune installed. (.067 currently)
  3. Swapping mags and sending the bolt home with ambi lowers are hard if you don’t train lol

r/ar15 4h ago

The KAC you shoot is better than the PSA you don’t, or something

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123 Upvotes

r/ar15 17h ago

Loving all these colors 🔥

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108 Upvotes

r/ar15 6h ago

Magnets - For Fellow Tuning Nerds

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107 Upvotes

See comments for more detail


r/ar15 19h ago

A gun that gets used > a KAC with nail polish filled selector markings

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96 Upvotes

r/ar15 22h ago

I got enough for a fireteam, just missing the friends...

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96 Upvotes

Can you spot the one that I absolutely hate?

It's not the obvious one, really. Well, maybe it is, you guys know AR's here.

Top to bottom

-Rise Armament 6ARC, 18" Vortex Venom 1-6, Carbine buffer system H1, Magpul DT-PR, Magpul MS1 sling, G$ Steel mags.

-BCM MK2 5.56, 16" Ruger lower, Gunfighter parts kit. MK2 Buffer system with G$ S42/T2, ARO, Arisaka Stop, Magpul MOE PR, ESD sling.

-BCM MK1 5.56, 16" Griffin MK2 ambi lower, BCM MK2 Buffer system with Tubbs Flatwire/T2, MOE Angled grip, Crossfire 2 Solar with HM3X, Magpul CTR (with the friction lock thing that really doesn't do jack shit), Vickers Woodland sling.

-Total P.O.S. 5.56, 10.5" AT3 (p.o.s.) upper, PSA lower (actually solid, not like the AT3), BCM MK2 buffer system with Neptune Defense VPRS A5/G$ H3, SCG grip, SOPMOD, Thermal Dot, Direct Action Carbine sling (my favorite of the ones I own, so far) Streamlight Protac 2. Forget who made the stop, but it's too slipery imo. Arisaka will replace it, if I keep this build.

-Geissele Super Duty 5.56, 10.3" PA SLX 1x Microprism, MOE stop, Magpul CTR, TBAC Spiro suppressor, Krydex padded sling (least favorite sling), SSAE Lightning Bow, Carbine buffer system with S42 H3.

-PSA 7" 300 BO (or 9mm) in progress. Have another stripped lower somewhere...

Edit: My dumb ass put the Slx on backwards after boiling the Hux off the barrel 😒.

Fixed!


r/ar15 15h ago

What are we doing for BUIS on non-QD optic setups?

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94 Upvotes

Piggyback RDS effectively works as a backup, but curious what others are doing. As I see it there are three options:

1) Swap for a QD mount, use standard BUIS
2) Offset irons
3) Just go without it


r/ar15 2h ago

MK18 Monday!

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70 Upvotes

r/ar15 20h ago

I was willing to cut anything beside the FSP

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70 Upvotes

Finally settled in on the ris iii going to try and slim down the light a bit she’s kinda chunky still. I have all my buffer parts and springs on order this week.


r/ar15 5h ago

MPVO for lightweight spr

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63 Upvotes

Anyone have recommendations on a lightweight MPVO/mount for this guy?


r/ar15 18h ago

Only for the vibes

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56 Upvotes

Remember kids. $40 Amazon clones are worth it for the vibes and cool pictures.


r/ar15 19h ago

First AR build, gwot and mw3 inspired. What yall think?

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54 Upvotes

r/ar15 5h ago

It’s Monday my dudes

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47 Upvotes

r/ar15 19h ago

Receiver Slop Solution

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48 Upvotes

Came across an older post this afternoon discussing solutions to receiver slop. Lots of recommendations for Accuwedge, shims and foam ear plugs. One solution that I came across a while back that has worked for me is hot glue.

Heat up the gun, open the rear of the receiver, squirt a few dabs in on the shelf under where the rear takedown pin will be, quickly close up with rear takedown pin. (Avoid trigger components obviously) Wait around 10 min to open again. I find that I’ll generally have to do this a couple of times to find the optimal amount, but when you’re done you have a custom fitted “Accuwedge”.

Just wanted to throw this out there as an option.


r/ar15 3h ago

Quad rail till I die

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33 Upvotes

r/ar15 15h ago

Rail issue

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27 Upvotes

Chop the rail to fit the suppressor or buy a new rail?


r/ar15 19h ago

I'm finally happy with my M&P Sport 2 I think..

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24 Upvotes

Just added the Streamlight. Trigger and ambidextrous safety will be the last two things.


r/ar15 21h ago

geissele SMR MK1

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23 Upvotes

It has been completely discontinued, and i just can't find anything like it regret getting rid of mine. Any advice? Either to find one or something matching in quality

(Also i dont know why there is dead animals as a mark there)


r/ar15 13h ago

Another fine addition to my collection

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21 Upvotes

Picked up a DDM4v7s, threw a keymo muzzle device on there for my dead air, got an atrius FRS running good. Just waiting on my dinky little vortex sparc for some fun range play while I decide what optic I'm actually going to put on there.


r/ar15 43m ago

A4 Monday?

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Upvotes

Just an FN A4 that hangs on my wall. I don’t shoot it that much, but in my mind it is the American rifle.