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M16A1 vs. M16A2 Clone Breakdown: Comparing Receivers, Stocks, and Barrels

Key Takeaways / Summary: Building an authentic retro firearm clone requires careful attention to the key hardware details that set each model apart. Comparing the M16A1 vs. M16A2 side-by-side reveals how rifle designs evolved to meet changing military requirements.  JSE Surplus  supplies high-quality retro components to help retro rifle enthusiasts and military clone builders create […]

Black rifle lower receiver with exposed buffer spring

AR-15 Buffer Weights Guide: How to Custom-Tune H1, H2, and H3 Buffers

Key Takeaways / Summary: Fine-tuning an AR-15 build requires balancing gas pressure and mechanical resistance. JSE Surplus has specialized in AR-15 parts and custom build components since 2002. Finding the proper setup keeps your rifle reliable, comfortable to shoot, and running smoothly. Understanding AR-15 Buffer Mechanics and Internal Mass Construction An AR-15 buffer sits inside […]

LPVO Scope Buyer’s Guide: Understanding Magnification & Focal Planes

Key Takeaways / Summary: Selecting the right scope for an AR-15 rifle requires balancing speed with distance capability. Shooters often debate between red dots for rapid target acquisition and traditional riflescopes for extended distance accuracy.  JSE Surplus helps firearm enthusiasts select optics that provide practical versatility for custom builds and target setups. A low power […]

Complete Configuration Guide to Building a Custom AR-15 Upper

Key Takeaways / Summary: Building a custom AR-15 upper receiver allows you to tailor every detail of your setup to match your specific shooting application. Since 2002, JSE Surplus has specialized in supplying reliable AR-15 components, helping shooters assemble setups built for target shooting, hunting, or duty use. With millions of potential component combinations available, […]

AR-15 Gas System Length Explained

Building a custom rifle requires balancing multiple technical components to achieve optimal performance on the range. As your trusted hometown dealer and local AR superstore, JSE Surplus has spent decades helping marksmen select high quality parts for their custom firearm assemblies.  One of the most critical decisions you will make during your build configuration is […]

AR-15 barrel length options

AR-15 Upper Receiver Barrel Length Options & Sizing Guide

Different AR-15s have different AR-15 barrel length options because the length significantly affects both the velocity and range of the bullet and the maneuverability or easy weight of the gun. As a general rule, longer barrel lengths give you more velocity and range, but they add more weight and can be cumbersome. Shorter barrels are […]

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