BUILT FOR RELIABILITY
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.
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.
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.
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
Built for range users and seasonal shooters who want a reliable baseline safety check.
Includes:
✓Headspace gauging
✓ Lower Receiver and Fire Control Group (FCG) function check and safety inspection
✓ Barrel straightness verification
✓ Upper Receiver Inspection and BCG & barrel extension timing check
✓ Feed ramp inspection
✓ Written inspection summary
✓BCG Inspection and Extractor/spring gauging.
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
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 and gauging
✓ Fire Control Group (FCG) function check
✓ Headspace gauging, Muzzle and throat erosion gauging, Chamber gauging
✓ Barrel straightness gauging
✓ 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
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
PRECISION & DUTY GRADE STANDARD
BASED IN MINNESOTA, SERVING NATIONWIDE
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
Other AR-15 Services
DUTY-GRADE REPAIRS
Whether you are building a new rifle from scratch, need a repair, or just want to change something you currently have, we can help you every step of the way. Reach out with any questions you have about the project you are working on!
Examples of Other Services:
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Muzzle Device Installation & Timing
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Optics and Scope 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
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Castle Nut Staking
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Complete Buffer System Installation
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Feed Ramp Polishing
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FCG Installation
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BCG Efficiency Check
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Gas Key Replacement
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Gas System Tuning
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Gas system diagnostics and correction
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Trigger system repairs and performance upgrades
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Bolt Carrier Group (BCG) rebuilds and component replacement
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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
HOW THE MAIL-IN PROCESS WORKS
01
Request Service:
Contact us to discuss your rifle, concerns, or upgrade goals.
02
Receive Shipping Instructions:
We’ll provide clear instructions for securely shipping your firearm or components.
03
Inspection & Diagnostics:
Your rifle undergoes a comprehensive evaluation using professional armorer-grade inspection methods.
04
Review Recommendations:
If repairs or upgrades are recommended, we’ll provide a detailed report and approval options before work begins.
05
Certified Return Shipping;
Once complete, your rifle is returned inspected, verified, and ready for use.
NATIONWIDE SERVICE
Mail-In and Mobile Services:
If you are not able to come to us we can come to you! Please inquire about mobile services for training events, armorer classes, repairs, and consultations. For mail in services please contact us for instructions on how to have your local FFL send us your project. For upper receiver work you can mail us your upper receiver directly without an FFL.