The Atrius FRS is a drop-in forced reset selector that delivers rapid semi-auto fire at $249. Unlike FRT triggers, it works with your existing mil-spec FCG and reduces rifle wear.
Q unveils the Boombox after 700+ days of development: a lightweight AR-10 pattern rifle in 8.6 Blackout featuring 1:3 twist rate, two-piece bolt carrier, pinch barrel system, and bufferless operation.
Primary Weapons Systems unveils the MK216 MOD 2 at SHOT Show 2026: a .308 piston rifle with proprietary bore evacuator technology, user-tunable gas block, and 3,000+ round suppressed maintenance intervals.
Palmetto State Armory confirms the X9 delayed-blowback handgun platform is returning to development after overwhelming customer demand. Design changes are coming following operating system modifications.
Everything that matters from SHOT Show 2026: computational optics from Maztech and Revic, the suppressor boom, rifles from Geissele and Noveske, PSA's modular AXR ecosystem, and 30+ product announcements.
SIG Sauer teams up with world champion shooter Daniel Horner for the P365-DH3 series: competition-inspired carry pistols featuring slide-integrated expansion chamber, 3.7" barrel, and polymer or AXG alloy grip options.
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Complete AR-15 5.56 barrel length comparison from 10.5" to 20". Compare muzzle velocity, effective range, overall length, dwell time, and gas system compatibility to match your mission.
Step-by-step first AR-15 build guide: choose a stripped lower via FFL, install quality lower parts kit and trigger, add grip and stock, then pair with vetted complete upper from PSA, Aero, BCM, or Geissele by budget.
Pick the right 5.56 / .223 ammo for your rifle and mission. Learn bullet weights vs twist rate, short barrel tradeoffs, projectile types (FMJ, OTM, bonded, copper), and practical buying tips with an interactive ammo finder.
Master AR-15 gas system and buffer tuning for suppressed and unsuppressed rifles. Match barrel length, gas system, buffer weight, and springs for reliable cycling. Includes troubleshooting.
Master optic zeroing with step-by-step process for iron sights, red dots, and LPVOs. Includes range prep checklists, mechanical offset tips, and confirmation drills.
The definitive .300 Blackout guide for suppressed and PDW builds. Compare subsonic vs supersonic loads, find optimal barrel lengths (9" is the sweet spot), match suppressors, and understand true cost of ownership.
Is a $2,000 Daniel Defense really 3x better than a $700 PSA? We break down exactly what you get at each price tier—from budget builds to KAC—with honest QC data, not marketing.
Complete guide to Super Safety (Forced Reset Selectors) for AR-15s. Learn how FRS devices work, installation basics, tuning optimization, legal considerations, and top product recommendations.
Build an AR that fits in a backpack: 7" .300BLK collapses to 15", MK18 clone to 21". We compare DDM4 PDW vs SIG Rattler vs custom builds with exact OAL specs, and explain why 5.56 under 10.3" is a mistake.
Rifle Configurator is a free AR-15 builder and gun builder tool designed to help you plan your custom rifle build. Whether you're assembling your first AR-15 build kit or fine-tuning a precision setup, our platform provides real-time compatibility verification across 70+ platforms.
Browse our extensive catalog of AR-15 parts and rifle parts, including uppers, lowers, AR-15 handguards, AR-15 triggers, and barrel assemblies. Our compatibility engine ensures every component you select works together, eliminating guesswork from your custom AR-15 project.
Planning to build your own AR-15? Start with our mission-first configurator that matches components to your intended use case, from home defense to precision shooting.
Compare rifle optics including red dot sights, LPVOs, holographic sights, and rifle scopes. Our guides cover mounting, zeroing, and selecting the best AR-15 optic for your mission profile.
Explore suppressor options, muzzle brakes, flash hiders, and compensators. Learn about silencer compatibility, mounting systems, and the NFA process.
Setup guides for night vision scopes, thermal optics, thermal scopes, and IR laser systems. From PVS-14 mounting to passive aiming configurations.
