ThinLineWeapons.com
Soviet & Russian firearms documentation, AK buyers guides, reference tools, and NFA resources — all in one place.
From The Motherland To Your Hands
Thinline Wiki
Comprehensive list of AK by Country
General Firearms Info
- Firearms Related Patents — Archived US firearms patent filings, searchable by manufacturer and design.
- Collection of ATF Letters — Official ATF classification and ruling letters. (Updated 9/12/2022)
- International Wound Ballistics Association — Archived IWBA journal and terminal ballistics research.
- User Submitted NFA Wait Times — Crowdsourced Form 1 and Form 4 approval timelines by examiner and submission date.
Magazines & Guides
- AK-47 Magazine Guide — Identification and compatibility guide for 7.62×39 AK magazines.
- AK-74 Magazine Guide — Identification and compatibility guide for 5.45×39 AK-74 magazines.
Ballistics & Technical Data
- Bullet Drop / Zero / Line-of-Sight Intersections — Ballistic data covering bullet drop, zero distances, and line-of-sight intersection points.
- Bullet Velocities Data — Real-world velocity data from community-submitted chronograph readings.
- Chamber Specifications — CAD drawings of chamber specs for a variety of cartridges.
- Rifle Metal Alloy Data — XRF analysis data identifying the specific metal alloys used in firearm components.
- Gun Oil Sample Analysis — Lab-tested gun oil samples identifying additive packages and base oil types.
Documents & Military References
- Military Document Scans — Scans of original military manuals, technical documents, and field references.
Website Archives
- AIA Archive — Complete archive of Avtomats-In-Action.com
- ARATA Archive — Archive of Assault Rifles and Their Ammunition
- The Primer Archive — Archive of "Converting Berdan Primed Brass to Use Boxer Primers"
- MG42.net Archive — Complete archive of MG42.net
- Small Arms Illustrated Archive — Complete archive of Small Arms Illustrated
- Small Arms Profile Scans — Scanned issues from the Small Arms Profile magazine series
Reference Books
Tools
- Rifle Zero Calculator — Calculate short-range zero offsets for any desired zero distance. Imperial (yards/inches) and Metric (metres/cm) versions. Generates printable targets and DOPE cards.
- NFA Wait Time Tracker — Track and compare Form 1 and Form 4 NFA approval wait times submitted by the community.
Thin Line Vault
Thin Line Vault - Personal Firearms Inventory Tracker — Comprehensive inventory management system for tracking your firearms, ammunition, reloading supplies, and accessories. Keep detailed records of your collection with serial numbers, purchase dates, and specifications all in one secure location. All data is stored 100% offline in your browser — no logins, no accounts, no cloud storage required.
Social Media
Donations
Patreon — Like what you see and have a few dollars to spare? Supporting Thinline Weapons on Patreon helps keep the wiki, tools, and archives online and updated. Every contribution directly funds hosting, research, and new content.
Internet Archive — A significant portion of the historical firearms documentation, patents, and reference material hosted here was only possible thanks to the Internet Archive's preservation work. If this site has been useful to you, please consider supporting them as well.