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Trying to build a M16A4 clone. Will 13 inch length be too big for the A2 Front sight post? — 1 Answer

by AR Enthusiast, from CA, United States Asked on February 2, 2022

Name UTG Pro AR15 Free Float Quad Rail (4.4)
Currently Unavailable View Product
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Answered by Hunter, Gear Expert, from OH, United States, on March 02, 2022

The 13" UTG Pro AR15 Free Float Quad Rail might work for that build since the manufacturer states its exact length is 12.6". However, the manufacturer states that it is compatible with low profile gas blocks but doesn't mention A2 FBS. So to be safe I recommend using the handgaurd listed below.
https://www.opticsplanet.com/leapers-utg-model-4-15-mid-rifle-length-quad-rail-system-black-mtu007.html

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