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/k/ - Weapons

Salt raifus and raifu accessories
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There's no discharge in the war!

File: 5039a148d8affa9⋯.png (9.02 KB, 521x179, 521:179, 535BoltFace.png)

File: d4fefb8aa2cec62⋯.jpg (66.28 KB, 420x568, 105:142, Hydroshock.jpg)

File: 90ad15b3ee14f90⋯.jpg (633.55 KB, 2976x1984, 3:2, SaysDPMSpatt.jpg)

File: 5f510ebbd00a9de⋯.jpg (79.28 KB, 916x916, 1:1, ColtStyle.jpg)

73d8c6 No.528397

Long story short the renters left a 30-06 round in their bedroom, and a .270 WSM in the hall-bathroom.

It inspires me, /k/. I want to build a gun for it. Specifically, an AR pattern gun because I have some familiarity for it and not building bolt-guns. Also there's not much in the Remington-700 80% market right now.

So in this thread I want to talk about weird guns. Not in, weird ergonomics because people be crazy am I right? Weird as in the 9mm AR15, the AK-pattern in 300BO, piston ARs, heck beautiful zip guns can apply for consideration.

KAK has a DPMS style bolt with magnum size and double ejectors. This should be enough to 'grab' the .270. Naturally we're looking at a custom barrel so I assume either an adjustable gas block, a pigtail gas tube (somebody online wrote of using 30" of pnuematic piping for his .300WSM AR10) or Kak, again, has a magnum gas tube, 2" longer than the rifle-length, which would require a custom drilling of the gas hole.

Still, the .270 could share bullets with my .277 WLV pistol I'm in the process of building. Lastly for my OP comments, the last picture. It's from Buffalo and is $50 cheaper than the unanodized glock-compatible 80% AR15 lower. Assuming I can find some decent 30rd colt-style magazines, is there any good reason not to choose colt-compatible 9mm ARs? I've seen a few old, and one new, glock<->STANAGwell adapters, but if I only plan on having one to three magazines would I really save enough to offset the overpriced glock-compatible lowers? Alternately, where's a good place to get inexpensive AR"9" 80%'s ? Tactical****.com has them for $100 with glock-adjustment-parts. Usually, and except when they don't. I'd be really embarrassed to get a package from them anyway.

73d8c6 No.528398

Oh yeah.

The 2nd picture. Buffalo says that's a DPMS upper/lower kit. The others, which clearly (if I understand the key differences b/w SR25 & AR10) are DPMS pattern are all called AR-10.

That 3rd pic is AR-patterned, isn't it?


df6204 No.528404

>150gr projectile at 3100fps with dat bc and dat sd

Do it you glorious faggot. Make this rifle and post range data- I need whacking material!


88598e No.528418

So you basically want a 6.5 spc magnum in an AR.

Not shitting on you, that is fucking awesome.


ef4667 No.528426

can confirm that .270 WSM is like a laser. I think it is the flattest shooting rifle round commercially available.


969c7c No.528427

>>528426

Fuuuuuuuuuuuuuuck yessssss!


cdeb77 No.528441

>>528397

>Also there's not much in the Remington-700 80% market right now.

What does the Remington 700 aftermarket look like? Is it developed to the point where you can build one without a single OEM part like the AR / Glock / 10-22?


be9c6d No.528443

>>528441

Brownells had a bolt action, but it's been sold out for a couple years now, I think.

Not sure about triggers, but stock and barrel should be easy enough. Just the bolt, and the trigger seem to be pretty scarce.


9772c5 No.528451

File: 74cc0fc38562789⋯.png (92.54 KB, 240x234, 40:39, ClipboardImage.png)

RRRAAAAAHHH!!!

THIS WAS OUR MEME, YOU CAN'T TAKE CREDIT FOR IT!

REEEEEEEEEE!


ec0df3 No.528464

You have my attention


4f660f No.528468

File: 7f9d31b8f38a8c0⋯.jpg (130.53 KB, 800x450, 16:9, EM2 Master race.jpg)

>>528451

>THIS WAS OUR MEME

Sir, how dare you refer to the apex of small arms development as a meme!

Hang your head in shame.


a4f911 No.529328

File: c3bb5113bff75af⋯.jpg (676.67 KB, 4160x2340, 16:9, 20171022_102658.jpg)

File: e51225a609bcfc1⋯.jpg (3.55 MB, 4160x2340, 16:9, 20170531_181833.jpg)

>>528397

Colt 9mm ARs are for old-school aesthetics, and they all have reliable last round bolt hold open. You can get ones with a contoured mag well if you hate the hotdog-in-a-hallway look.

Glock-compatible has more lower options, as well as caliber options, but LRBHO is few and far between, proprietary, and often finicky. That being said, glock lowers feed better, and are easier to get running right.

Pic related is what I built using a PSA glock-compatible billet lower with LRBHO. The second picture shows what I had to do to get the LRBHO running right. There was a little dinky lever from front to back that never worked, and PSA has stopped making LRBHO lowers because they couldn't get it right. I replaced it with a rotating shaft that positively moves the bolt catch.


f8072d No.529337

>.270

Is this different from 6.8mm? I've shot that and it's not hugely different from 30.06


be9c6d No.529353

>>529337

Not .270 Winchester, 270WSM. There's a pic in the first post showing some rounds.

As my first respondent pointed out, 150gr at 3,000+ feet/second is customary.

But it does use some of the same bullets the 6.8SPC uses.

>>529328

Thanks Anon I thought about as much.

Colt-pattern for better LRBHO, or glock-compatible for better chamber feeding.

You know what? I figure if the trigger goes click, I should look at my ammo supply. Also, I've ordered an on-sale NiB .308 carrier/bolt so I'm on the road to building this.


73d8c6 No.537713

File: e2f956e81f3394d⋯.jpg (660.72 KB, 3188x2392, 797:598, zwqa3j87kk501.jpg)

OP here. I bought a pair of LR308 lowers on black friday from a store that has pretty much never shipped stuff before. Like, my order # was low-three-digits.

They finally acknowledged receipt of my chosen FFL's information … just in time for said FFL to go christmas vacation. yay.

BUT I have a tracking number (lowers sent via USPS. Is that normal?) and it should be onsite when the FFL gets back on Tuesday. As of right now the only other part I have is a normal-sized BCG. I have seen a place or two that offer uppers completed in 300 WSM. I know a bunch of research was done during the past two world wars, or whatever, to say "between 6, and 7mm" which puts 300WSM outside that, but … what do you guys think? Would your rather have an AR10 in 300WSM, or the more customary .308?

Still going to pursue the 270. Partly so I can build it, partly so I can shoot it. Also, I understand necrobumps are at least supposed to have an image, so I'm leaving this here.

Have an image. No, I don't know what it is, either.


0dd739 No.537762

>>537713

>That green

Pig fucking disgusting


4efc4f No.537769

>>537762

three scopes and it's the paint job that triggers you?


9c835d No.537786

>>537769

holy shit i really had to look for that red dot


fd33d0 No.537788

>>528397

this was done before. it blows primer pockets and is horribly over pressured for the design limitations of the AR.


caba3a No.537825

>>537788

Do you have a source, or are you just trying to shit on a really cool idea?


de4a08 No.537832

kill yourself. not even giving you a (you)


2c6d9a No.538109

>>537825

no it does. only will last 1000 rounds and you're on your own for magazines. the bolt face needed for a .270 wsm is too big.


84267d No.538179

>>537788

blown primers has nothing to do with being a semi-auto, that's an ammo issue. also you're confusing two different types of overpressure.


ae7251 No.538193

File: 490446fe7bfd948⋯.jpg (1.71 MB, 1836x3264, 9:16, IMAG0736 - Copy.jpg)

File: 456035f7e71e50c⋯.png (1.23 MB, 716x722, 358:361, durr.png)

>not using .308 nato

Fucking nigger, look at this wound.

THERE IS NO SPINE LEFT

This is the power of .308, anything else is a meme. I shot this deer at over 500 yards, and the round dropped it in ONE SHOT.

>muh ballistic coefficient

>muh velocity

>muh trajectory

Math on paper is all fine for you nerd fucks, but results speak for themselves.


099ee6 No.538307

File: 0cc1005abeecb67⋯.jpg (768.33 KB, 800x600, 4:3, bruh.jpg)

>>538193

>not using 50 BMG

Fucking nigger, look at this wound.

THERE IS NO SPINE LEFT

This is the power of 50 BMG, anything else is a meme. I shot this deer at over 500 yards, and the round dropped it in ONE SHOT.

>muh ballistic coefficient

>muh velocity

>muh trajectory

Math on paper is all fine for you nerd fucks, but results speak for themselves.


53c28a No.538315

>>538193

And lost how much good meat because of it?


ae7251 No.538329

>>538315

I just toss the carcass in my compost pile so my fresh veggies can have fertile soil to grow in.


3b1b50 No.538486

The idea of this being in an ar10 makes me fucking horny.


2cc25a No.540750

>>538329

where did you get your pants?


ae6568 No.540769

>>540750

Found them on a rotting corpse a mile north of my uncle's place in Occupied Rhodesia.

kommandostore, it was a limited run, you can still get some on https://www.fireforceventures.com/?category=Rhodesian+Kit


bd8e8e No.540770

>>528451

>>528468

>Comparing an intermediate to a full power round


ae6568 No.540771

>>540769

I've never tried to spoiler a link before.


1cfeee No.540812

>>540770

>Being a Burger.


a0093f No.540823

>>528397

>.270 WSM

The commercially available WSM rounds are all barrel burners, especially the smaller calibers, that's main only issue with them.

I have been toying with the idea of converting my .300WSM to one of the big bore wildcats like .375WSM or .458Alpine. Both are capable of throwing 300+gr bullets at over 2750fps out of short barrels.


d4af88 No.540966

>>540823

I want a 7mm rem mag.

is 6.5 CM a barrel burner?


529e96 No.540981

>>540966

>is 6.5 CM a barrel burner?

From what I've read, that's one of the major drawbacks over choosing .308 winchester … better wind resistance in exchange for a third fewer shots per barrel.

Of course, creedmore is common enough you can get a decent barrel for two to three hundred USD, nearly no waiting. A custom one-off, even in a SAAMI chambering? Probably six hundred each, four month wait times.


16f80c No.541054

>>538193

At 500 yards .308 is unmatched, at the peak of its game. Only at 800 yards does it begin showing problems with its BC.




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