Components
Receivers
Explore how upper and lower receivers form the structural foundation of the AR platform. This hub covers receiver function, critical interfaces, dimensional relationships, materials, manufacturing methods, finishes, tolerance stacking, and special topics that affect fit, alignment, durability, and compatibility.
COMING SOONHandguard & Mounting
Learn how handguards support the shooter, protect the gas system, and provide the mounting structure for accessories. This hub covers handguard construction, barrel nut interfaces, free-float behavior, rigidity, deflection, heat management, attachment systems, materials, finishes, and mounting-related design considerations.
COMING SOONBarrel
Deep dives into how barrels contain pressure, guide the projectile, control gas input, and influence accuracy, velocity, heat behavior, and service life. This hub covers barrel construction, materials, bore and chamber finishes, profile geometry, rifling, chambers, gas ports, extensions, wear, and barrel-specific design variables.
COMING SOONGas System Components
Understand the physical parts that capture, meter, and route gas through the rifle. This hub covers gas blocks, gas tubes, gas ports, gas block journals, alignment features, adjustment mechanisms, materials, finishes, leakage points, and component-level design details that affect gas delivery.
COMING SOONBolt Carrier Group
Explore the assembly responsible for gas expansion, carrier movement, bolt lockup, unlocking, extraction, ejection, and return to battery. This hub covers carrier, bolt, gas key, cam pin, firing pin, gas rings, extractor, ejector, springs, materials, finishes, geometry, wear points, and BCG-specific design topics.
Go To HubBuffering Components
Learn how buffers, action springs, receiver extensions, and related parts control carrier travel, return energy, and reciprocating mass behavior. This hub covers component construction, spring design, buffer mass, internal weights, tube geometry, materials, finishes, wear points, and special buffering configurations.
COMING SOONFire Control Components
Deep dives into the trigger group components that release the hammer and control reset. This hub covers trigger, hammer, disconnector, springs, pins, sear engagement, hammer release, pull weight, lock time, wear behavior, materials, coatings, and common trigger architectures.
COMING SOONMuzzle Devices
Understand how muzzle devices manage escaping gas at the muzzle. This hub covers flash hiders, brakes, compensators, linear devices, blast diverters, suppressor mounts, thread interfaces, timing methods, materials, finishes, baffle/port geometry, alignment, and durability considerations.
COMING SOONControls
Explore the user-manipulated parts that support charging, safety engagement, magazine release, bolt control, takedown, and administrative handling. This hub covers charging handles, safety selectors, bolt catches, magazine catches, pivot/takedown pins, ambidextrous mechanisms, detents, springs, materials, finishes, geometry, leverage, and reliability considerations.
COMING SOONFurniture & Shooter Interface
Learn how stocks, grips, foregrips, hand stops, sling interfaces, and related parts shape the shooter’s physical connection to the rifle. This hub covers ergonomic geometry, adjustability, support surfaces, materials, mounting methods, durability, and interface details that affect control and consistency.
COMING SOONSmall Parts, Pins, & Springs
A technical reference for the small components that retain, locate, bias, and secure the AR platform. This hub covers roll pins, detents, springs, retainers, minor hardware, materials, finishes, installation considerations, wear points, and the small parts that often determine assembly quality.
COMING SOON