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Dreamsinger

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  1. Dreamsinger

    "Intermediate" handguard adapter?

    I was thinking of selling the barrel but who'd want it? It's heavy, and mid-length. If I was building from the ground up it's the last thing I'd pick. I put the milspec trigger back in. the only custom part I left on is the same height pic rail I had made to get longer sight radius.
  2. Dreamsinger

    "Intermediate" handguard adapter?

    Yeah, that buttstock made no sense from the gitgo. I think as far as 7.62 goes I'll just stick to my M1A.
  3. Dreamsinger

    "Intermediate" handguard adapter?

    As I said before, I was teetering. I think you just influenced me a little to the "sell it" side of the fence. By the time I made the sow's ear into a silk purse I'd have spent close to 3x what that the PA10 cost in the first place. Your "pig" metaphor gave me pause to consider whether I'd actually like the gun afterwards or just have fewer things to dislike about it. "Underwhelmed" is about what I came up with, too. My M1A SOCOM doesn't do everything well but it checks off more of the boxes than the AR.
  4. Dreamsinger

    "Intermediate" handguard adapter?

    My PSA PA10 is my first AR in 7.62 and it's been a learning experience on all the things that I *don't* want. I'm teetering on the edge of consigning it at my LGS or stripping off the offending parts that weren't such a good idea and replacing them with better choices. The barrel and adjustable buttstock would be first to go. Will probably get a Faxon 18" pencil barrel (rifle length gas) and a Hogue fixed buttstock. I'm curious about lightweight BCG's for AR10's. Works great in AR15's but that doesn't always translate.
  5. Dreamsinger

    Pic rail gas blocks

    I've had good luck with GunTec's "same height" gas block. The top rail gives me a choice of front sights and the bottom is where I mount my bipod. Now I need an adjustable block and no one makes one like this that's adjustable. Any ideas?
  6. Dreamsinger

    "Intermediate" handguard adapter?

    As luck would have it an adaptor won't be necessary. Blackgunswood is going to make intermediate length walnut handguards.
  7. Dreamsinger

    AR Platform Scout Rifle

    I put the M-14.ca rail on mine It promises to be a lot more inline with the bore than the factory. It works great with my Vortex Strikefire red dot but I haven't had a chance to put my Vortex Crossfire Scout on it yet. The factory sights were bad enough to nearly cause me to sell it. Instead I got the SEI gas block with a taller sight base to allow a NM sight to work and put a similar compensator on it. The rear sight is now a hooded NM rear that's a little too small for general use. I wish there was a flip type aperture like the AR sights use. I got rid of the folding buttplate and saved some weight but it's still a little chunky at 8.8lbs empty with sling. It's still lighter than my AR10. I don't think I can get anymore weight off the SOCOM but the AR10 could shed a few lbs with a pencil barrel, a lighter BCG and other lightweight components.
  8. Dreamsinger

    AR Platform Scout Rifle

    I was more interested in the trajectory/energy since I never shoot anything less than 147gr in my AR10 (18") and M1A (16") plus I doubt I'll shoot anything heavier than 125gr out of the HAM'R. The Speer 125gr TNT has proven to work quite well in the HAM'R. I used WC's numbers for a 16" barrel (I have an 18") For 7.62 I plugged in both 16" and 18" into the calculator. Not much difference in traj or energy between the 2" difference.
  9. Dreamsinger

    AR Platform Scout Rifle

    It turns out that I did goof on the data entry. I still like the 300 HAM'R numbers but fail to see what WC means when they say it "approaches .308". I'm attach some tables and such but apparently we can't attach pdfs and jpegs.
  10. Dreamsinger

    AR Platform Scout Rifle

    If I was inclined to engage at 1000yds 7.62 is still quite relevant. Like I said though, with a self imposed 500yd limit the constraints of a graph start becoming a little more relevant. In terms of a Pareto curve most of my shots fall between 75 and 200 yds. 400 yds barely gets under the curve. My AR10 was not a well thought out choice. Mid-length gas, non adjustable gas, collapsible buttstock and an A2 FSB that wasn't at the proper height for the AR10 receiver rail. I've fixed most of those deficiencies but it still weighs too much to carry and the performance doesn't come close to a purpose built AR10 benchrest gun. I'm a lot more comfortable with my SOCOM but I'd still rather carry the HAM'R all day.
  11. Dreamsinger

    AR Platform Scout Rifle

    The retired engineer in me probably makes me drool at graphs and charts for seeing the big picture. I'm not looking for a "world beater" per se but something does a wide variety of tasks reasonably well. I'm also trying to keep my gun inventory small enough to avoid it being called a "collection". Age and eyesight puts the range I'll engage at around 400yds max so beyond that the 7.62's become a little irrelevant. Also, to be honest, I'm looking for a good enough reason to get rid of my AR10. My M1A SOCOM is a lot lighter and a lot more fun to shoot since I fixed the horrid factory iron sights and installed a M-14.ca handguard.
  12. Dreamsinger

    AR Platform Scout Rifle

    You're right, barrel length only affects mv and isn't factored into the calculation. I used WC's data for the *Speer* 125gr TNT which is what will probably be my do-all choice. It's BC is .341. I found data on mv vs barrel length on 7.62 NATO 147gr. BC .388, mv 2739@18", 2682@16.5". The numbers that Wilson states are with a 16.5" barrel, I have the 18". I'll be a bit more meticulous about what I plug in to the calculator and see what falls out. The focus of this is on what I have and use; M1A SOCOM and an AR10 18" vis a vis the 18" 300HAM'R. I don't expect the HAM'R to exceed 7.62 across the board and certainly not at longer ranges but my initial results suggests that inside of the distances I'm most likely to shoot it'll be close enough. We'll see. I'll post graphs and charts when I re-do it. https://s3.amazonaws.com/wilsoncombat/files/300_HAMR_Comparison.pdf http://bulletin.accurateshooter.com/2015/06/308-win-barrel-cut-down-test-velocity-vs-barrel-length/ http://www.shooterscalculator.com/
  13. Dreamsinger

    AR Platform Scout Rifle

    I'll check again. The calculator I used uses muzzle velocity rather than barrel length. The factor that had more effect than I expect was the ballistic coefficient of each projectile. I used WC's mv numbers. While Wilson's penchant for hog hunting is obvious with the 300HAM'R I think it may prove more versatile than that especially given the guns light weight and accuracy. I haven't reloaded in ages and that was to feed my IPSC habit. I'm just starting to gear up to reload for the HAM'R out of resized .223 brass. That's the only way I'll be able to afford shooting it as much as I like. I'm figuring between 35-40 cents to reload
  14. Dreamsinger

    AR Platform Scout Rifle

    I'm assuming that for 80%+ of the time the rifle alone and a 10rd mag would be all I'd need. The scope, suppressor and God knows what other accoutrements would stay at home or in the car. 10lb is just a number I pulled out of the air based on how heavy my range bag seems to get over time.
  15. Dreamsinger

    AR Platform Scout Rifle

    I believe 5.56 was in common use at the time he started writing about his scout rifle ideas. I don't think he regarded it as adequate. Out of curiosity I ran some ballistic charts on 300 HAM'R 125gr and 7.62 NATO 147gr. the HAM'R had more energy out to 350yds and only trailed by 11% by 500yds. It has a much flatter trajectory as well.
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