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Old 11-16-2012, 19:07   #35
WeeWilly
Senior Member
 
Join Date: Nov 2011
Location: PRK
Posts: 1,507
I only have Gen 3's, still don't have a Gen 4.

G21 - Assembled slide (no barrel or RSA) - 16.8
G20 - Assembled slide (no barrel or RSA) - 17.7

G21 - Barrel only - 4.0oz
G20 - Barrel only - 4.7oz.

My Glockmeister 22/24lb SS RSA weighs .7oz more than stock RSA.

All weighed on a cheap postal scale so YMMV.
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