Arsenal 5.56x45mm Trunnion Block Assembly with Bullet Guide AK-556

Arsenal 5.56x45mm Trunnion Block Assembly AK-556 Arsenal 5.56x45mm Trunnion Block Assembly with Bullet Guide AK-556 The Arsenal 5.56x45mm Trunnion Block Assembly with Bullet Guide (Model AK-556) is a complete, factory-assembled front trunnion unit designed specifically for 5.56x45mm (.223 Remington) AK-pattern rifles. This high-quality assembly includes the trunnion block and an integrated bullet guide, providing builders and gunsmiths with a critical component for reliable feeding and barrel installation. Manufactured by Arsenal, the AK-556 delivers the precision, strength, and fitment required for professional-grade 5.56x45mm AK builds. Complete Trunnion Assembly for 5.56x45mm AK Rifles The AK-556 is a ready-to-install trunnion block assembly that combines the front trunnion and bullet guide into one unit. This design simplifies the build process while ensuring proper alignment and feeding geometry for 5.56x45mm ammunition. The assembly is engineered to work with both milled and stamped receivers, making it a versatile choice for a wide range of 5.56x45mm AK projects. Key Features of the Arsenal AK-556 Trunnion Block Assembly Model: AK-556 Caliber: 5.56x45mm / .223 Remington Includes: Trunnion Block and Bullet Guide Compatibility: Milled and Stamped AK Receivers Features: Factory Assembled, Precision Machined, Durable Steel Construction Best Use: Custom 5.56 AK Builds, Replacement Part, Professional Builds Integrated Bullet Guide for Reliable Feeding The integrated bullet guide is specifically contoured for 5.56x45mm cartridges, ensuring smooth and consistent feeding from the magazine into the chamber. Proper bullet guide geometry is critical in 5.56x45mm AKs to prevent feeding issues. The AK-556’s design helps maintain reliable function across various magazine types and ammunition loads. Specification Details Brand Arsenal Product Trunnion Block Assembly Model Number AK-556 Caliber 5.56x45mm Compatibility Milled & Stamped Receivers Includes Trunnion + Bullet Guide Best Use Custom Builds & Replacement Why Choose the Arsenal AK-556 Trunnion Block Assembly? The Arsenal 5.56x45mm Trunnion Block Assembly with Bullet Guide AK-556 is the preferred choice for serious builders working on 5.56x45mm AK rifles. By combining the trunnion and bullet guide into a single, factory-assembled unit, Arsenal ensures proper alignment and eliminates common fitment issues that can occur when installing these parts separately. Whether you are building a new 5.56x45mm AK from the ground up or replacing a damaged trunnion assembly, the AK-556 provides the quality, precision, and reliability that Arsenal is known for. Build your 5.56x45mm AK with confidence. The Arsenal Trunnion Block Assembly AK-556 offers factory precision and reliable feeding performance. The End