Cool take on broaching that's approachable to hobbyists
Welcome to the home of the Gunnit Rust Contest! This is the place for Contest Posts, Build Ideas, Questions, Advice, and all things related to our GUN BUILDING CONTEST for the building firearms, assembly of firearms, modification of firearms, restoration of firearms, and firearm accessory construction. Five Rules: 1. No Lawbreaking 2. No Kabooms 3. Recruit New Builders 4. Only Contest Content Allowed During Contest Submission Weeks. 5. Do not link STL files or 3d plans for receivers
Metal Pistol Frames- A Window Into How Another Type of 80% Is Completed
We're here to help cultivate a community of AR-10, AR-15, and AR-9 builders, by providing them with the right tools and knowledge to start creating their own scary, black freedom seed dispensers. This includes metal 80%, polymer 80%, and 3D AR receivers. We encourage posting pictures of your finished builds! Let's see those bad boys! Every 6 months a build competition will be held with a prize of $50. [SISTER SUBS] u/Polymer80 u/Sig80Percents u/PrintAndPercentPorn u/3DGAFS
Finishing Aluminum Frames with the Matrix Precision Jigs- P226 Example
READ THE WELCOME STICKY. BY POSTING YOU AGREE TO SUBREDDIT RULES. Welcome to the first Polymer80 subreddit, and the largest community of builders. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms. ABSOLUTELY NO WTB/WTS/WTT POSTS. Please visit: r/GunAccessoriesForSale for that. Please read over the rules before participating in this sub, violating the rules can and will lead to a temp or permanent ban.
How I Finish Out Classic P 80% Frames
Everything Sig P220, P224, P225, P226, P227, P228, P229, P230, P232, P239, and the P322
Episode 2- Finishing the 80% Sig P226 Frame with Drill and Rail Cutting Jigs
For those interested in Sig P320 80% MUP-1 Builds and just any customization of your P320 builds. FCU or MUP-1 it doesn't matter, we love them all.
80% P226 Frame Finishing Instructional
Sig Sauer P226
Did I Make a Poor Grip Choice Visually?
Sig Sauer P226
Want to laser engrave your slides? I teach you how
READ THE WELCOME STICKY. BY POSTING YOU AGREE TO SUBREDDIT RULES. Welcome to the first Polymer80 subreddit, and the largest community of builders. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms. ABSOLUTELY NO WTB/WTS/WTT POSTS. Please visit: r/GunAccessoriesForSale for that. Please read over the rules before participating in this sub, violating the rules can and will lead to a temp or permanent ban.
If you want to learn fiber laser use on guns, I've got a series going
Welcome to the home of the Gunnit Rust Contest! This is the place for Contest Posts, Build Ideas, Questions, Advice, and all things related to our GUN BUILDING CONTEST for the building firearms, assembly of firearms, modification of firearms, restoration of firearms, and firearm accessory construction. Five Rules: 1. No Lawbreaking 2. No Kabooms 3. Recruit New Builders 4. Only Contest Content Allowed During Contest Submission Weeks. 5. Do not link STL files or 3d plans for receivers
Here is my take on deep engraving in steel pistol slides
Discussion, pictures, and advice on laser engraving.
Agrax Earthshade is killing me!

A community for painting miniatures and models. Everything from tabletop wargames to board games, display pieces or just for fun! Painters of all skill levels are welcome! From beginners who have never held a brush to pros who have been painting for years.
Heard some of you may have P226 and P229 80%s. Going to teach building those. Project Intro
For those interested in Sig P320 80% MUP-1 Builds and just any customization of your P320 builds. FCU or MUP-1 it doesn't matter, we love them all.
Project Intro- Going to build an 80% P226 with a gunbusters kit. Sharing the journey. Step 1
Everything Sig P220, P224, P225, P226, P227, P228, P229, P230, P232, P239, and the P322
Project Intro- Going to build an 80% P226 with a gunbusters kit. Sharing the journey. Step 1
Sig Sauer P226
Did anyone else grab the 80% Sig P226 P229 frames before they disappeared?
READ THE WELCOME STICKY. BY POSTING YOU AGREE TO SUBREDDIT RULES. Welcome to the first Polymer80 subreddit, and the largest community of builders. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms. ABSOLUTELY NO WTB/WTS/WTT POSTS. Please visit: r/GunAccessoriesForSale for that. Please read over the rules before participating in this sub, violating the rules can and will lead to a temp or permanent ban.
Analysis of Kimber Micro9 Parts Compatibility to P938 Frame
[Everything Sig Sauer]
Laser Leaving Lighter Section Around Edges
Cerakote is a polymer-ceramic composite coating that can be applied to metals, plastics, polymers and wood.
My take on engraving an AR lower. Hope it helps someone else learn
Discussion, pictures, and advice on laser engraving.
How to laser engrave your AR's aluminum parts
We're here to help cultivate a community of AR-10, AR-15, and AR-9 builders, by providing them with the right tools and knowledge to start creating their own scary, black freedom seed dispensers. This includes metal 80%, polymer 80%, and 3D AR receivers. We encourage posting pictures of your finished builds! Let's see those bad boys! Every 6 months a build competition will be held with a prize of $50. [SISTER SUBS] u/Polymer80 u/Sig80Percents u/PrintAndPercentPorn u/3DGAFS
The Start of My Documented Learning Journey
Discussion, pictures, and advice on laser engraving.
How to mill a raw an AR15 raw forging into a single shot lower. Handles 50BMG!
Welcome to the Tormach Subreddit! Feel free to ask any questions or post projects about any Tormach CNC Machine.
Hour plus raw forging milling instructional
We're here to help cultivate a community of AR-10, AR-15, and AR-9 builders, by providing them with the right tools and knowledge to start creating their own scary, black freedom seed dispensers. This includes metal 80%, polymer 80%, and 3D AR receivers. We encourage posting pictures of your finished builds! Let's see those bad boys! Every 6 months a build competition will be held with a prize of $50. [SISTER SUBS] u/Polymer80 u/Sig80Percents u/PrintAndPercentPorn u/3DGAFS
Getting the hang of this! 4140 Pre-Hard Steel Test
Discussion, pictures, and advice on laser engraving.
Step 1 in learning to laser engrave gun stuff
We're here to help cultivate a community of AR-10, AR-15, and AR-9 builders, by providing them with the right tools and knowledge to start creating their own scary, black freedom seed dispensers. This includes metal 80%, polymer 80%, and 3D AR receivers. We encourage posting pictures of your finished builds! Let's see those bad boys! Every 6 months a build competition will be held with a prize of $50. [SISTER SUBS] u/Polymer80 u/Sig80Percents u/PrintAndPercentPorn u/3DGAFS
Start Learning to Laser Gun Stuff
READ THE WELCOME STICKY. BY POSTING YOU AGREE TO SUBREDDIT RULES. Welcome to the first Polymer80 subreddit, and the largest community of builders. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms. ABSOLUTELY NO WTB/WTS/WTT POSTS. Please visit: r/GunAccessoriesForSale for that. Please read over the rules before participating in this sub, violating the rules can and will lead to a temp or permanent ban.