Pennsylvania Firearm Owners Association
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  1. #11
    Join Date
    Dec 2016
    Location
    Warminster, Pennsylvania
    (Bucks County)
    Posts
    129
    Rep Power
    2980996

    Default Re: Poly lower not much weight savings

    Quote Originally Posted by SgtRecon View Post
    Here is an interesting Excel spreadsheet for anyone interested, I stumbled on it doing a search for weights for a recent Colt 653 clone build, its pretty thorough

    AR15 Parts Weights Database:

    https://docs.google.com/spreadsheets...#gid=102399689
    Did you create this? Can you explain it a little, or maybe direct to an orig posting?
    I think it’s really interesting, just not sure of a few things...

  2. #12
    Join Date
    Mar 2010
    Location
    Narvon, Pennsylvania
    (Lancaster County)
    Age
    57
    Posts
    432
    Rep Power
    21474846

    Default Re: Poly lower not much weight savings

    Quote Originally Posted by Jkinpa1 View Post
    Did you create this? Can you explain it a little, or maybe direct to an orig posting?
    I think it’s really interesting, just not sure of a few things...
    I did not create it, I found it googling the weight difference between A1 & A2 uppers ( and C7 upper), the original link I posted was the upper tab (different parts and groups can be selected along the bottom toolbar) , suppressors have been added since I last checked. to answer the previous question from Empty Mag the M & U weights are Maker and User, maker being as shipped with packaging materials, kind of useless info? , user is as assembled weight, here is the link to the first page with explanations and source info

    https://docs.google.com/spreadsheets...gid=2033901686

  3. #13
    Join Date
    Dec 2016
    Location
    Warminster, Pennsylvania
    (Bucks County)
    Posts
    129
    Rep Power
    2980996

    Default Re: Poly lower not much weight savings

    Thank you, appreciate it.

  4. #14
    Join Date
    Feb 2010
    Location
    Levittown, Pennsylvania
    (Bucks County)
    Posts
    7,653
    Rep Power
    21474853

    Default Re: Poly lower not much weight savings

    Shot about 50 rounds with the polymer lower today. Zeroed a red dot and pretty consistently hit steel at 200 yards with it. Very happy with the combo. I like the trigger that came on the New Frontier lower better than the one on my DPMS lower. Ammo was Brown Bear. The barrel twist measures 1:8-1/2.
    Legislating to prevent people's acts is fantasy

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