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Welcome to the AR-15 Builder, exclusively from Brownells! Here you can create the ultimate AR-15 from scratch or accessorize one you already own by trying out the latest gun parts on a replica of your rifle.

Scratch: a programming language for everyone. Create interactive stories, games, music and art - and share them online.

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AR15.Com - Your Firearm Resource. (AR-15, M4, M16, AR-10, H&K, SIG, FNH, FAL, AK-47, 50 Cal, M1/M1A, Carbine, Handgun, Pistol, Training, Hunting, and More!)

How to build and program your own fully autonomous sentry gun. Open-source code and schematics.

This is a discussion forum Gearbox Software.

Manufacturer of firearm replica paintball guns and markers also sell paintballs, tactical gear, and accessories. Provides forum, event listing, dealer listing, and wholesale info.

3ders.org provide in-depth information about 3D Printing, rapid prototyping, rapid manufacturing, 3D Printers, 3D software, 3D services, 3D designers, 3ders, 3D printer price, 3D printer price compare, 3d printer price comparison

NPR delivers breaking national and world news. Also top stories from business, politics, health, science, technology, music, arts and culture. Subscribe to podcasts and RSS feeds.

Laser-Ammo Safe Live rounds cannot be loaded Cost effective Best value for money, 5000 shot guarantee, low cost recharge Stable Aligned, fixed in barrel, and doesn't fall out! Reliable Firing pin activated

Guns.com is the top daily source for the news, feature stories, and articles on all aspects of the gun world. Follow the ever-changing gun landscape with our stable of experts and enhance the discussion by sounding off with your own comments.