New shims

Discussion in 'Gun Building, Modifications & Repairs' started by MilsimM16a3, Aug 29, 2012.

  1. MilsimM16a3

    MilsimM16a3 New Member

    103
    0
    Chihuahua
    I need to re-shim my G&P m4 sopmod because of the semi auto deal but i have no idea what kind to get. Any help would be appreciated.
     
  2. Lefse

    Lefse Well-Known Member Supporting Member

    4,751
    165
    Just buy a set of cheap shims, there isn't really any difference between the brands. Get a set with multiple sizes from 0.1mm to 0.3mm so you can shim it precisely.
     

  3. Archer627

    Archer627 New Member

    6,174
    5
    Figgington
    Get a couple different brands. I use SHS, x high tech, and Lonex shims. The tolerances on each shim aren't usually the same between brands. If they're both advertised as .1mm, brand A may be .144 and brand B be .91mm. (just an example(.
     
  4. MilsimM16a3

    MilsimM16a3 New Member

    103
    0
    Chihuahua
    So i should get different brands with different sizes then
     
  5. Archer627

    Archer627 New Member

    6,174
    5
    Figgington
    Get a few different brands, yes. You can never have too many shims:).