Precision is critical when building or repairing an AK-pattern rifle, and the AK-Builder AK Trunnion Rivet Hole Drilling Fixture delivers the accuracy builders need for professional results. Designed specifically for drilling front and rear trunnion rivet holes in AK receivers, this fixture ensures consistent alignment and proper hole sizing, eliminating guesswork and reducing the risk of misaligned rivets that can compromise structural integrity. Key Features Color-coded expanding mandrels - Red mandrel for 7.62mm trunnions and blue mandrel for 5.45mm trunnions provide a secure fit and precise guidance for drilling. Dual-purpose design - Accommodates both front and rear trunnion locations on standard AK receivers for versatile use across multiple build projects. Heat-treated steel construction - Built for durability and repeated use in demanding workshop environments. Compact and lightweight - Measures just 3" x 4" x 0.25" and weighs 1.5 lbs for easy storage and handling. Benefits for AK Builders Accurate rivet hole placement is essential for secure trunnion installation and reliable firearm function. This fixture guides your drill bit through the trunnion itself, opening holes just enough for rivets to slide in smoothly while maintaining proper centering. Whether you're assembling a new rifle or restoring a parts kit, it saves time, minimizes material waste, and helps achieve factory-level precision without specialized machine shop equipment. Specifications SKU: 34208 Weight: 1.5 lbs Dimensions: 3" L x 4" W x 0.25" H Mandrels: Red (7.62mm), Blue (5.45mm) Compatibility: AK47/AKM-style receivers and trunnions Why Choose This Product Builders who demand repeatable accuracy turn to AK-Builder tools for their proven performance in the field. This fixture addresses common pain points like off-center holes and oversized openings that lead to loose rivets or difficult installations. Its straightforward design integrates seamlessly with standard drill bits and riveting workflows, making it an indispensable addition to any serious AK builder's toolkit. Upgrade your build process today with the AK-Builder AK Trunnion Rivet Hole Drilling Fixture and achieve professional-grade results on every project.