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WarFairy Hermes AR-15 Receiver

Author

Warfairy

Version

1.4

Description

The Hermes series release is meant to be the lightest AR-15 lowers possible. Total weight, not including any support material used, is just about 0.643 lbs (Vanilla Hermes 0.372 lbs).

Unfortunately, this update brings a little more weight in the pursuit of reliability, and the crown of lightest printed lower has been taken over by the Phobos. That being said, look at how sexy that is. LOOK AT IT. REAL RECEIVERS HAVE CURVES!!!

Recommend printing vertically and as a single part. Support material is REQUIRED, as is 100% infill. Cold Acetone treatment is highly, highly recommended.

Please report any issues to the #fosscad IRC channel on irc.oftc.net or via the chat on www.fosscad.org/fc/chat . Please include pictures if possible.

Changelog Hermes 1.4

Reinforce Buffer Tower
Delete Bolt Hold Open
Apply JT Buffer Tower
Cleaned up FCG Pocket

Changelog Hermes 1.3.3

Bugfixes.

Changelog Hermes 1.3.1

Hermes Vanilla v1.2 upgraded

Opened up Forward Takedown Pin Hole slightly to offset slicer tendancy to make holes too small.
Knocked interface surfaces between upper and lower down by .25mm to prevent upper camming on surface and breaking front TD holes.
Buffed up Bolt Hold Open pin flange.
Extended buffer tube anti-rotation hole 2mm downwards to compensate for warp putting hole out of position.
Slightly opened up inside of magwell to allow drop-free functionality of magazines.

1.5 KiB Raw Blame History