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Thread: Project Featherweight

  1. #171
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    Interesting. When my DD lightweight 14.5" barrel returns from ADCO I will have to try and get a comparable photo of the profile. I have a BCM lightweight 16" mid I can include in the photo for comparison purposes.

    In the meantime here's the photo of 16" lightweight carbine-lengths from DD's website and the 16" lightweight mid-lenghths. Based on this the chamber-area profile appears to match the BCM mid-length.


    carbine-length




    mid-length
    Last edited by rob_s; 10-08-10 at 12:23.

  2. #172
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    as of now I dont see much appreciable difference b/t the two gas systems on a LW profile, maybe 1-2oz at the most. Then you have to consider the handguard which can be another 2oz heavier on the middy. Carbine might have to use a heavier buffer so it can even it out slightly. I think its just going to be more user preference (middy advantages over carby vs 1-2oz of savings) to decide on which LW gas system. In theory I always thought the carby would be noticeably lighter, its not looking like that now. Right now I dont see why not the carbine can be milled to the same profile as a LW middy, but maybe theres a good reason. I just cant think of one.'

    I changed my Cav Arms build to be iron sights only to cut down on the weight, its weighing about 5lbs 12.7oz, I think with the BCM upper it was a little under 5lbs 12oz. I had a Delton HBAR upper that I plan to sell so thats why I was moving the LW middy to make a KISS build. That HBAR is beefy compared to the BCM LW.
    Last edited by ForTehNguyen; 10-08-10 at 12:55.

  3. #173
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    Great info guys.

  4. #174
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    If keeping the FSB then you're exactly right that handguard length will affect overall weight. Obviously if going with a low-profile gas block it will be a little different. I wanted my gas-block covered but with as short a handguard as possible so I would have wound up with a heavier gun if I had gone mid-length.

    In some ways I wish I had picked a mid-length 14.5" for my lightweight project but I'm sure the carbine will be sufficient. I don't really get too far down the path of buffer weights and would likely run an H in either gun provided the rifle functioned with it.

  5. #175
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    Inspiring thread... and great info. Thanks.
    Last edited by DHart; 10-09-10 at 17:20.

  6. #176
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    the clark custom handguards are a good bit less than 6 oz if you cut 2/3rds of it off

    btw, 17" barrel and titanium comp

    that stock is a BRICK though. it balances perfectly, and runs great using a classic magwell grip. I used to have a micro T1 on it, but it got moved to another gun.

  7. #177
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    I went a somewhat similar route; BCM 14.5" LW middy (actually a BCM 16" LW that was chopped by JoJo's). Still early in the process of range work, but so far I'm pretty happy with it. Just got the IWC QD point in the mail today which is the only thing missing in the pictures below. If all goes well after this weekend, it'll get sprayed.

    Light weight was the theme, but not the overriding decision for each piece of equipment. I had been waiting on BCM to introduce this configuration for months and months and was eager to give it a shot. Aside from giving it a workout over the fall & winter, it's pretty likely to accompany me into the woods for calling coyotes.




  8. #178
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    rgaper... very sweet rifle! Do you know the weight?

    Almost identical to one on the way from BCM for me... except for stock and BC1.5Comp. Mine is a 14.5" std weight barrel, Mid-length w/11" VTAC TRX with BC1.5 comp and Troy folding BUIS.

    I have been considering getting an A2 stock because I like the look and feel and your photos of your rifle just reinforce that. But I have read some reports that, at least, some of them are poorly made. May I ask where you sourced your A2 stock and what your impression is of its quality?
    Last edited by DHart; 10-18-10 at 23:34.

  9. #179
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    Quote Originally Posted by DHart View Post
    rgaper... very sweet rifle! Do you know the weight?

    Almost identical to one on the way from BCM for me... except for stock and BC1.5Comp. Mine is a 14.5" std weight barrel, Mid-length w/11" VTAC TRX with BC1.5 comp and Troy folding BUIS.

    I have been considering getting an A2 stock because I like the look and feel and your photos of your rifle just reinforce that. But I have read some reports that, at least, some of them are poorly made. May I ask where you sourced your A2 stock and what your impression is of its quality?
    His stock is a Cav Arms full stock (which is A1 length). I think that the stock shell is very well made, but the butt plate /trap door is cheesey. I don't really trust anything to stay in there with its loose door latch, so I just don't put anything in it. Not to fear, if you like the shell and the A1 length (as I do) then the butt/trap door can be replaced with a standard A2 setup.

  10. #180
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    Quote Originally Posted by LonghunterCO View Post
    His stock is a Cav Arms full stock (which is A1 length). I think that the stock shell is very well made, but the butt plate /trap door is cheesey. I don't really trust anything to stay in there with its loose door latch, so I just don't put anything in it. Not to fear, if you like the shell and the A1 length (as I do) then the butt/trap door can be replaced with a standard A2 setup.
    Exactly right, it's the Cav Arms C1 buttstock. I don't have any strong feelings for the A1 or A2 buttplate or the trap door latch. The latch on the Cav Arms buttplate is far more positive than some of the USGI A1 buttplates I've seen.

    If I like the setup of this upper, it may eventually move to my preban lower with a SOPMOD which I prefer. The A1 gives me the approximate length of pull that I regularly use with the SOPMOD, so it works. I put the upper on this postban lower with the A1 length because I planned to bring it to New York state over the winter and there's some argument over whether my preban lower is legal there or not. Not wanting to go through a New York state prison romance or wasting thousands of dollars defending myself, I decided to go the safest route and keep the setup postban.

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