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Old 07-11-2013, 6:45 AM
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Tom-ADC Tom-ADC is offline
Veteran Member
Join Date: Apr 2010
Location: San Diego
Posts: 2,930
iTrader: 62 / 100%

The Spikes upper I just bought comes with one and I just ordered a few more to use with it.
US Navy Retired, NRA Lifetime member.

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