Hacking the Rigol DS1052E Oscilloscope with Linux by hardwarehank

How To Make a (Free) Tactical Pressure Switch by Patman27

DPScope - Build Your Own USB/PC-Based Oscilloscope by womai

LCS-1M - A Full-Featured, Low-Cost Hobby Oscilloscope by womai

Super Stealthy Spy Periscope! by Gunk on Floor

DSR v2.0 or dutch sniper rifle v2.0 by knexfreakbuilder

Scope by K-Dawg

The S.R.S.E by cazadactle

Heckler & Koch HK416 instructions by knexpete

Sniper mods to Viccie.B1993's Sipriani Rifle by KnexMaster7000

Modded Tr-18 by slimshaddy

EASY Laser Microscope by luisazmouz

rubber band gun scope by ~INVENTOR~

Holographic & Red Dot Sights for Airsoft Guns by cardboarddude

Lego Russian Dragunov by BioGuns

Black Mamba sniper Rifle by Knex_Gun_Builder

Basic Knex ACOG scope by knexpete

Scope by the vengeful aug