AR-10 Upper Receiver Vice Block Preference
I'm getting ready to install a LaRue free floating handguard on my AR-10A4. So, I'll need to add an AR-10 upper receiver vice block to my small collection of AR tools.
Of the two upper receiver vice blocks that Armalite makes for the AR-10, which do you prefer, the black plastic universal AR-10/AR-15 vice block (part #15901202, $38) or the white plastic vice block assembly made solely for the AR-10 (part #EX1615, $53)?
Any thoughts or comments would be appreciated.
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I do prefer the the white ones, and this is why...
The black ones will hold it at a 90 degree angle and the white ones hold it in the up right position which is the way I am used to working on the uppers.
The white vise blocks work perfectly for 90% of the barrel work you will do. They hold the receiver very securely and like mrraley said, they hold the receiver with the rail oriented up. BUT, should you need to loosen an exceptionally tight barrel nut or on the odd occasion that you might need to apply extra torque to get proper barrel nut alignment, you will need to use the black ones. With these you can apply a lot more vise pressure on the upper without worrying about distorting it.
Thanks, gents. I appreciate the replies.