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  1. Rudy Gonsior

    .223/.556 ammo recommendation

    Black Arc Mk262 “Alpha”(NAS3) 77 SMKs at 2750-2900fps (16-18” rifles) Good SDs and has been solidly sub-MOA Edit: this data sheet was only about 100 rounds into this particular rifle, and this rifle now does 2825fps and 0.7ish with the same lot of ammunition. If you want to push 5.56 to its...
  2. Rudy Gonsior

    Firing pin size difference

    If I had a dollar for every time I’ve see people on the hide incorrectly measuring with calipers, I wouldn’t be rich but I could take us all for a nice sit down meal at Applebee’s. 🤣 But yes, pin gauges is the would be the preferred tool. 0.0635±.0010 is the TDP spec if I remember correctly.
  3. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    I do try to keep tabs and pop in when it’s helpful, sometimes it takes me minute though with all the various aspects of life.. Sorry, I doubt there going to be a dimensional change to the forward assists. As for straight gas tubes yes, adjustable gas blocks… probably, I have mixed feelings on...
  4. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Next run of FDE parts is in bound this week, so give it a another week or two for building and testing.
  5. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Yeah the shift occurred around midway through FDE. The simplest way to tell the logo. The Toolcraft BCG is the front one, larger logo and slightly lighter coloration. The Mircobest in the back has a smaller logo and has a slightly subdued coloration. If anyone needs replacement gas-rings hit...
  6. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    I thought I had posted this earlier but I don’t see it anywhere so I’ll I throw it up here again as these two targets are a good visual representation of barrels “breaking in” and what I mean by that is even high quality barrels are going to need a few bullet pushed through them before they...
  7. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Currently we run an 0.83ish, so there is more room than some but it’s kinda dependent on the external dimensions of the gas block. After a battery of testing different after market barrels i think most will be able to fit with a little freezer action, generous lubricant and persuading...
  8. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    There are 2 divergent paths of the ARC, we have investigated and prototyped the first and simplest route which what a lot of manufacturers have presented. I think is viable for the hobbyist, but the reality is to build a truly functional ARC platform that can handle the riggers of combative...
  9. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Utilizing LAMs mount to the rails, we have seen an approximately 0.2-0.3 Mil shift in the laser between bipod/tripod/barricade positions. Near inconsequential for traditional LAM applications and WMLRF within 600-800 but potentially an issue with WMLRFs when at extreme ranges or very small...
  10. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Original bolts and BGCs were OEMed through Toolcraft. While we enjoyed them we had a rash of issues with left over stainless steel tumbling media being left in places like under the extractor which began to exceed QC thresholds. Additionally there seemed to be a growing occurrence of documented...
  11. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    The misunderstanding here is that no two barrels (even out of the same production lot) are never same in regards to the velocity, accuracy or precision that they will produce. I know this is something that conceptually people say they know here on the hide but there is also a massive cognitive...
  12. Rudy Gonsior

    Need a PRS style stock for an AR15

    I got to be honest, unless you’re legitimately diagnosed with something like Gigantism, then it’s more than likely that you’re doing something wrong. I’ve seen 1000’s of students over the years and I’ve never had a student, even the biggest among them not be able to get a fundamentally correct...
  13. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    The factory FDE is anodized. Several people have cerakoted their black rifles but I don’t recommend it.
  14. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Gas ports are 0.093+/-0.001
  15. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Ok, so I poked my head into marketing/sales and it sounds like there will probably be something for Black Friday but exactly what hasn’t been nailed down. Also a recent question was asked about stand alone upper receiver dropping prices to mirroring the rifle but I don’t have anything concrete.
  16. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    All LPR uppers are made on the same assembly benches, to the same standards. The standalone uppers get pulled prior testing as there are simply to many variables with components outside of our control to bother with, them being standalone sub-assemblies. 99% of the time it should be fine but we...
  17. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    I honestly don’t know but looking at the website it shows it listed at “$1799” which is the same price originally I think. I’ll ask someone who knows. And for those curious about stand alone uppers in FDE, yes they are coming at some point but every that is FDE is going to rifles at the moment.
  18. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Naw I don’t hand load for .223/5.56 these days as it’s just not worth the effort. Factory ammo is pretty good and my time is worth more than any theoretical savings I might gain sitting behind a reloading bench. But a 77smk sitting over 23.8 of 8208 is a classic load mimic of Mk262 though and...
  19. Rudy Gonsior

    Ridgeline Defense RD-15 LPR

    Thanks for reaching out, I look forward to catching the email and getting some more details. Typically anytime there is an issue we'll conduct a RMA to try and nail down exactly what's happing. While I wait, I think the best way to answer what I can is to walk through the LPR specs which I...
  20. Rudy Gonsior

    ROK rifle ID?

    In 2017 I spent 6 months imbedded with ROK SF/SOF task forces for the “decapitation” mission. I worked predominantly with the SF Brigades but as a sniper SME I got to spend a little time with the 707 as well. During that deployment the 707s main 50cal was the AW50 equipped with S&B of some...
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