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View Full Version : Triangle vs Round........Whats's the Diff



Remy
06-22-09, 11:24
Why are there two different shape handguard end caps used on AR's?? I recently picked up a BCM Middy upper assembly that has a triangle end cap, and I am wondering if it will work with the Cav Arms round tapered handguard that I plan to use with it.

Do the triangle end caps work properly with the round handguard such as the Cav Arms middy I mentioned above???

Ultimately which end cap is better (more usable)..........triangle or round??

And finally.......do most BCM upper assemblies come with triangle end caps.....is that then "normal" configuration that they use.

Thanks guys!!

markm
06-22-09, 11:26
They work fine.

Bob Reed
06-22-09, 11:59
Hello Remy,

Check this thread out. https://www.m4carbine.net/showthread.php?t=32563

98z28
06-22-09, 12:01
Same question here: https://www.m4carbine.net/showthread.php?t=32563