CUSTOM AR-15 BUILDS
Duty grade Custom AR-15 Builds
Every custom build at Iron Range Armory starts with your mission and ends with a gauged, certified rifle that exceeds mil-spec standards.Your rifle is built right—trued, torqued, and tested with a full function check and written report included.
COMPLETE UPPER RECEIVER BUILD/REBUILD
Re-barreling, Receiver Truing, Barrel Bedding, Handguard Installation, Muzzle Device Timing, Sight Installation, Front Sight Post Re-straightening.
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COMPLETE LOWER RECEIVER BUILD/REBUILD
Complete Lower Receiver Inspections and Rebuilds Including Buffer System and Castle Nut Staking, and FCG Installation. Complete testing and written certification report included with every build.
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COMPLETE
RIFLE BUILD
Full custom AR-15 assemblies from the ground up, combining precision upper and lower builds with mission-specific configuration. Includes comprehensive function testing, performance tuning, and duty-grade certification with detailed written documentation.
You can't see headspace. You can't eyeball gas port alignment. And you definitely can't guess if your barrel threads are concentric.
That's why we use certified gauges and professional techniques to inspect every critical component of your AR-15.
Every inspection includes a detailed diagnostic report, giving you clear insight into your rifle’s condition—whether for duty use, resale, or confidence in the field.
Headspace Gauging
Every barrel installation is GO/NO-GO gauged. Your safety depends on proper headspace.
Gas System Tuning/Sizing
Properly sized and timed gas systems for reliable cycling in any condition.
Complete BCG Efficiency Report
Complete BCG Efficiency check includes detailed report.
Complete Rifle Inspections & Diagnostics
CERTIFIED INSPECTION
Ensure your AR-15 is safe, reliable, and performing at its highest level. Our precision inspection services use certified gauges and armorer-level diagnostics to identify issues before they become failures—whether for range use, hunting, or duty applications.
Choose the inspection level that fits your rifle and how you use it.
Ideal for pre-season checks, duty rifle validation, resale documentation, and performance diagnostics.
Weekend Warrior Inspection
$125 | 2–3 Day Turnaround
Essential AR-15 safety inspection for recreational shooters
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Built for range users and seasonal shooters who want a reliable baseline safety check.
Includes:
✓ Headspace gauging
✓ Fire Control Group (FCG) function check
✓ Barrel straightness verification
✓ BCG & barrel extension timing/alignment check
✓ Feed ramp inspection
✓ Written inspection summary
Best for: Recreational shooters, seasonal use, baseline safety checks
MOST POPULAR
Duty Standard Inspection
$200 | 3–5 Day Turnaround
Comprehensive AR-15 inspection for duty, hunting, and defensive rifles
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A full-system diagnostic designed for shooters who depend on reliability, consistency, and performance under pressure.
Includes:
✓ Complete upper & lower receiver gauging
✓ Full Bolt Carrier Group (BCG) diagnostic report
✓ Fire Control Group (FCG) function check
✓ Headspace verification
✓ Barrel straightness inspection
✓ Buffer system inspection
✓ Muzzle device timing & alignment check
✓ Feed ramp inspection
✓ Front sight post alignment check
✓ Detailed photo documentation
Best for: Hunters, competitors, defensive and duty rifles
Advanced Inspection + Borescope Analysis
$275 | 5–7 Day Turnaround
Professional-grade AR-15 inspection with internal barrel diagnostics
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Our most advanced inspection service, built for precision rifles, high-round-count firearms, and professional use.
Includes everything in Duty Standard, plus:
✓ Borescope barrel inspection (internal wear, fouling, and defects)
✓ Gas system alignment check
✓ Advanced diagnostic reporting
✓ Agency-ready documentation
Best for: Law enforcement, precision shooters, advanced diagnostics
WHAT SETS OUR INSPECTIONS APART
Certified AR-15 gauging and inspection process
Precision diagnostics
Detailed reporting for performance validation and resale
Trusted by responsible firearm owners and professionals
Built for reliability, safety, and long-term performance​
VERIFIED PERFORMANCE
Accessories & Optics Installation
At Iron Range Armory, we install and configure rifle accessories using professional tools, correct torque specifications, and verified alignment procedures ensuring every component is secure, functional, and built for real-world use.
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Muzzle Device Installation & Timing
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Optics Mounting & Precision Leveling
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Weapon Light & Sling Mount Installation
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Furniture Replacement & Configuration
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Rail Accessory Installation & Fitment
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Function Verification & Hardware Inspection
DUTY-GRADE REPAIRS
AR-15 Repairs & Reliability Restorations
At Iron Range Armory, we go beyond temporary fixes. Using professional AR-15 diagnostics and armorer-grade inspection methods, we identify the root cause of malfunctions and restore your rifle to dependable operating condition.
From worn internal components and gas system issues to barrel replacements and reliability problems, every repair is completed using quality parts, proper installation procedures, and verified function testing.
Common Repairs & Services:
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Bolt Carrier Group (BCG) rebuilds and component replacement
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Trigger system repairs and performance upgrades
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Gas system diagnostics and correction
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Barrel replacement, alignment, and timing
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Reliability restoration for older or improperly assembled rifles
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Component replacement and system tuning
EVERY REPAIR INCLUDES:
Root cause diagnostics and inspection​
Quality replacement components when needed
Proper installation and torque verification
Full post-repair function testing
Updated written diagnostic report
WHY WORK
WITH US?
BASED IN MINNESOTA, SERVING NATIONWIDE
Certified by AGI, School of the American Rifle & SOLGW
Precision AR-15 diagnostics and armorer services
Detailed reports with every inspection
Built to meet or exceed mil-spec standards
Reliability-focused workmanship and verified assembly
NATIONWIDE SERVICE
Mail-In AR-15 Services:
Not located near Northern Minnesota? Our nationwide mail-in program allows firearm owners across the country to access professional AR-15 armorer services without compromising on quality or reliability.
Whether you’re shipping a complete rifle, upper receiver, or bolt carrier group, Iron Range Armory provides the same precision diagnostics, inspections, repairs, and performance upgrades trusted by responsible firearm owners, hunters, and professionals nationwide.
Every service is completed using professional armorer methods, verified inspections, and detailed reporting to ensure your rifle performs safely and reliably.
HOW THE MAIL-IN PROCESS WORKS
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Request Service:
Contact us to discuss your rifle, concerns, or upgrade goals.
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Receive Shipping Instructions:
We’ll provide clear instructions for securely shipping your firearm or components.
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Inspection & Diagnostics:
Your rifle undergoes a comprehensive evaluation using professional armorer-grade inspection methods.
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Review Recommendations:
If repairs or upgrades are recommended, we’ll provide a detailed report and approval options before work begins.
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Certified Return Shipping;
Once complete, your rifle is returned inspected, verified, and ready for use.
