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Site News Could You Have Stopped This? Vegas Shooting Analysis with Attorneys on Retainer
1/4/2009 9:53:42 AM EDT
When talking about a flat top upper with T marks - what are T marks?

Thx
1/4/2009 9:56:32 AM EDT
[#1]
Index marks on every other slot in the rail... T2/T4 etc. For indexing sights and equipment you switch between.
1/4/2009 9:58:59 AM EDT
[#2]
Thank you, Sir.
1/4/2009 10:13:58 AM EDT
[#3]
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