The EL-16 and EL-16HFE blaster rifle from Star Wars Episode VII: The Force Awakens.
Extract EL-16.pk3 or EL-16HFE (they both replace the E-11 so you can't have both of them installed at the same time) into your base folder usually located at:
C:\Program Files\LucasArts\Star Wars Jedi Knight Jedi Academy\GameData\base
DO NOT EDIT ANYTHING IN THIS PACK WITHOUT THE AUTHOR'S PERMISSION.
THIS FILE IS NOT MADE, DISTRIBUTED, OR SUPPORTED BY ACTIVISION PUBLISHING, INC., RAVEN SOFTWARE, OR LUCASARTS ENTERTAINMENT COMPANY, LLC. ELEMENTS™ & © LUCASFILM LTD.™ & DISNEY, INC.™ AND/OR ITS LICENSORS. STAR WARS®, JEDI®, & JEDI KNIGHT® ARE REGISTERED TRADEMARKS OF LUCASFILM LTD™ AND WALT DISNEY, INC.™ STAR WARS®, JEDI®, & JEDI KNIGHT® ARE REGISTERED TRADEMARKS OF LUCASFILM LTD™ & DISNEY, INC.™