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Current list of shim recommendations based on tested lower/trigger combinations. 

AR15 Lower Trigger Shims
Aero Precision Sample A Freedom Ordnance OEM no shim or .010 (Blue)
Timney Yellow No current working shim combination
Timney RED No current working shim combination
POF USA .150 (Orange + Blue)
Black Rain Ord .125 (Silver) or .135 (Silver + Blue)
Rise RA240 No current working shim combination
Geissele SDE .016 (Green) or .032 (Black)
Geissele SSAE .026 (Blue + Green)
Aero Precision Sample B Freedom Ordnance OEM No shim
Geissele SDE .010 (Blue) or .016 (Green)
Anderson Sample A Freedom Ordnance OEM .010 (Blue)
Timney Yellow .156 (Orange + Green) or .172 (Orange + Black)
Timney RED .140 (Orange) or .156 (Orange + Green)
POF USA .140 (Orange) or .156 (Orange + Green)
Black Rain Ord .140 (Orange) or .150 (Orange + Blue) or .156 (Orange + Green)
Rise RA240 .166 (Orange + Blue + Green) or .172 (Orange + Black)
Geissele SDE .016 (Green) or .032 (Black) 
Geissele SSAE .032 (Black)
Anderson Sample B Anderson OEM No shim or .010 (Blue)
Freedom Ordnance OEM .010 (Blue)
Geissele SDE .010 (Blue) or .016 (Green)  or .026 (Blue + Green)
Armalite Freedom Ordnance OEM No shim or .010 (Blue)
Geissele SDE .016 (Green) or .032 (Black)
 Brownells Freedom Ordnance OEM .016 (Green)
Timney Yellow .140 (Orange) or .150 (Orange + Blue)
Timney RED .140 (Orange) or .150 (Orange + Blue)
POF USA .125 (Silver) or .140 (Orange)
Black Rain Ord .166 (Orange + Blue + Green)
Rise RA240 .156 (Orange + Green)  or .172 (Orange + Black)
Geissele SDE .032 (Black)
Geissele SSAE .016 (Green) or .032 (Black)
Bushmaster Bushmaster OEM No shim or .010 or .016
Freedom Ordnance OEM .010 (Blue)
Geissele SDE .026 (Blue + Green) or .032 (Black)
Colt Freedom Ordnance OEM No shim or .010 (Blue)
Geissele SSAE .026 (Blue + Green) or .032 (Black)
PSA Freedom Ordnance OEM .016 (Green)
Timney Yellow .140 (Orange) or .150 (Orange + Blue)
Timney RED .150 (Orange + Blue) or .156 (Orange + Green)
POF USA .150 (Orange + Blue) or .156 (Orange + Green)
Black Rain Ord .156 (Orange + Green)
Rise RA240 .150 (Orange + Blue) or .156 (Orange + Green)
Geissele SDE .032 (Black) or .042 (Black + Blue)
Geissele SSAE .032 (Black) or .042 (Black + Blue)
Ruger Freedom Ordnance OEM .010 (Blue) or .016 (Green)
Geissele SDE .010 (Blue) or .016 (Green) or .026 (Blue + Green)
Other Lower Types Trigger Shims
FX9 Freedom Ordnance OEM no shim or .010
Black Rain Ord .135 (Clear Silver + Blue) or .140 (Orange)
POF USA .140 (Orange) or  .150 (Orange + Blue)

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