Homebrew AR15
 

I am thinking of "building" my next AR.

US-M4 Lower ($400)
http://usautoweapons.com/usm4/catalo...oduct_id=83025

Sine Pari Series M4 Upper Receiver Group 1 (URG1) 16" ($1700)
https://www.teludynetech.com/products/

EoTech HHII optics ($1000)
http://www.eotech-inc.com/products/sights/hhs2

Odds-n-Ends from Magpul ($500 ish)
http://store.magpul.com/
BUS, Sling attach point, mags, bipod, etc, etc.

Hmmm might cost more than my old truck! Might need to see if I can get an SF discount!


Any thoughts?

Everything looks great. Should be a fine rifle.

I run the XPS 2-2 on mine and it is a great sight. Just don't put too much reliance on the BDC dot. It is generalized and different rifles will have a different POI based on barrel length and ammo used. The 2-0 is actually a better reticle with the 65 MOA circle and the center 1 MOA dot. No BDC dot on it. Just IMHO. And, if you plan on using night vision, you have to go with a 3 series. They also have the zombie reticle, but it is too cluttered for real world use.

I like a good solid lower, like the LMT or BPM, and a Bravo Company or BPM upper.

Not very familiar with the makers you listed. I'd say the lower is overpriced by at least $100 and the upper smells like snake oil to me. A good upper from Bravo Company or Colt would run you less than half that price.

Agree with the optics and the MAGPUL accessories. If you want a bit more range, I like the ACOG TA31 or the Leupold 1.5-5x Tactical. Troy BUIS and Larue mounts.

Hey, that's why Baskin Robins has 31 flavors. Just my .02.

Enjoy your toy.

TR

Well the choices at this point were more dues to the "SF'y-ness" then price, capability, or common sense!

The guys that make the uppers are SF dudes (or so I hear) and the lowers (while cost more than most) are reported to give funds to SF charities.

I am still researching but I think I want to build a nice range gun for "amateur competition" shooting.

I have a Colt Sporter with an EOOTech, it is very durable and very accurate but that is my "go to war" gun. We also have a DPMS Lite which was/is the cheap entry level AR. Nothing bad to say about it but nothing sexy either.

Hmmmm. I'm with TR on this one. (No real surprise there! :p) As he says - "that's why BR has 31 flavors". FWIW - We did look at the barrel you're considering at SHOT two years ago. The manufacturer made some interesting claims; most of which seemed to defy the laws of physics as I understand them (primarily heat transfer characteristics). He/they also made some very interesting claims WRT accuracy. MOO - Expensive and not discernibly better than any of the toys I've already got. I couldn't see the ROI. YMMV.

Not questioning the validity of your choice of optics, but could you explain it to me? I have an eotech 512 on my work rifle, and I understand TR's choice of the Trijicon, but the HHII seems like it's trying to do two things at once. That appears to be a compromise at a very high price point.

Optics on my next project will probably be something along the line of http://www.laruetactical.com/riflesc...-65x24mm-mount. This concept is available at every price point from Nikon M-223s through S&B SD. The guys I go to for the latest trends are all looking this way themselves - though the Army is footing the bill at the Leupold Mk 6/Mk 8 and S&B SD level. I've got Aimpoints, EoTechs, and ACOGs and they all have their issues.

I can't put my finger on it but when I see ARs with "full fledged" scope it just "looks" wrong to me. Stupid I know!


Rick Porter with a Teludyne Tech AR-15 Teludyne also builds rifles/barrels for US Olympic shooters. Anyone ever work with Alan Adolphsen?

For me, it's the flipping the magnifier to the side that concerns me. The variable power of the short dots I agree with.

I almost forgot about Larue! I need to look thru their site...they are from Texas!

I wonder if Maj "Lash" could get me a brotherhood discount!:D

Another upper option that I have used and really like is "American Spirit Arms" . Mine is extremely accurate. The most accurate AR I have had. Prices are very reasonable and finish is top notch. You could always go with Black Hole Weaponry parts as well. Great products.

Unfortunately there are way too many options available. For accessories, MAGPUL is my go to company. But Troy has some excellent rails and some of the best BUIS available. Heck, I am still trying to figure out what I want to do with the BHW lower I have had in hand for over a year now.

Teludyne-Tech Inc is only a few miles from my home, is managed by a former 1/75th Ranger and plank holder in North American Rescue Products (company who brought us the CAT TQ) Rob Miller and hires primarily vets. A couple months ago while home on Con Leave I finished the machining on a couple of my 80% lowers using the vertical mill in Teludyne Tech's shop - pics can be found on ps.com.

I know Alan personally and find him to be as honest a guy as I have ever known, present company included. His mind works in ways that baffle me and I consider myself well versed in the ballistics. I have spent hours in the shop discussing the Straight Jacket's "technology" and while I do not understand all of it I have witnessed bolt guns shooting 3moa when they arrive leave the shop as 1 moa guns. I have watched him test fire Sine Paris that shoot .5 moa groups with chamber temps that don't rise above 98* no matter how fast the trigger is depressed.

I plan on buying a Sine Pari in a couple months when I am done with a couple other projects I am working on...

If you have any other questions please ask - I will answer what I can.

Shit, if Cric vouches for 'em, then this all the info I need on the upper!:D

So the owner if from the Ranger Rgt...I heard they had a few former SF guys working there too, maybe they meant you, Surgicalcric

I am not currently on the payroll nor do I receive any compensation from them. I hang out in the office and shop when I am home because its a great place to fellowship with like minded guys and tinker with guns.

Rob is good people, honest, and stands by their products whether it be a Sine Pari or retrofitting a SJ to an existing platform.

If you include me there area couple SF guys in the office, a Ranger, and a couple other various service members.

Crip

[QUOTE=Peregrino;515137] This concept is available at every price point from Nikon M-223s through S&B SD. The guys I go to for the latest trends are all looking this way themselves [QUOTE/]

The only thing I missed about the red dot ala EOtech is the parallax free feature. No prob hitting target even with poor body mechanics. The 1-4x, 1.6-6x etc concept is super neat with 10m to 500m plinking but the scope design necessitates a solid cheekweld for accurate placement. I run one myself and redneck-engineer a magnifier lever using some zip-ties and duct tape. Works like a charm on the HDMR too. OTOH, for a sub-MOA upper like the sine pari, it should be able to reap full benefit of the variable low-power scope design.

Good luck trying military discount from LaRue now. Unless you're part of "special group" ie. Rick's ol buddies, they already put a disclaimer on their facebook page putting an end to all discount starting this year.

I am glad Surgicalcric vouch for Teludyne. I had my AK74 straightjacketed by them with some pics somewhere on ps.com They worked on it until I was happy. While it's not sub-MOA as initially bragged, the vast improvement in accuracy and handling temperature is undeniable. I've been in their shop and other than the proprietary material used inside the barrel sleeve, they showed me every step of the process. I thought heresy when I saw a straight-jacketed a Sako TRG 42, and they even offered straight-jacketing my Larue OBR. IMHO, the folks there are legit and true believer to their borderline-too-good-to-be-true technology. I've reviewed the whitesands test report when it first came out and the numbers don't lie.

One caveat though, there's no free lunch. You pay for all those improvement in one variable, weight! I personally recommend going to the shop yourself, handle the Sine Pari, then decide, all things considered, if it's still to your liking.
Also make sure to locktite the muzzle brake. Mine and one other guys tend to come off after repeated shots.