Comments on: Update on the VG1-5, upper receiver http://gunlab.net/update-on-the-vg1-5-upper-receiver/ Adventures in gun building! Sat, 11 Apr 2026 23:49:22 +0000 hourly 1 https://wordpress.org/?v=4.1.41 By: john http://gunlab.net/update-on-the-vg1-5-upper-receiver/#comment-12172 Wed, 07 Oct 2015 17:26:40 +0000 http://gunlab.net/?p=4314#comment-12172 Chuck,

Did the tubing of the upper receiver “spring” after machining ?

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