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Brownells
The Brownells Armorer's Gen II Premium Kit is a complete gunsmithing toolkit built for serious AR-15, M16, and M4 maintenance and repair work. Whether you're a professional armorer, a dedicated builder, or a shooter who wants full control over your rifle's upkeep, this kit consolidates the specialized tools you need into one organized, rugged package. The Premium configuration includes everything in the Standard Kit plus additional components for M4 carbine work, making it the most versatile option for shops and enthusiasts who service multiple platform variants.
Organization and durability matter when you're working on precision firearms. The kit ships in a custom-fitted hard-sided Pelican toolbox built to mil-spec MIL-STD-810F standards—the kind of case that survives years of range trips, shop use, and transport without sacrificing the tools inside. The toolbox features an aluminum rail slide system, so each tray pulls out smoothly and locks into position, giving you clear access to every tool without digging through a jumbled pile. This is the kind of thoughtful design that saves time and reduces the chance of losing a critical punch or gauge.
Inside, you'll find purpose-built tools for every phase of AR platform maintenance: torque wrenches calibrated for critical fasteners, receiver blocks that hold your lower or upper steady during work, sight wrenches for A1 and A2 configurations, roll pin punches and holders in five common sizes, barrel nut alignment gauges, headspace gauges, and specialized extractors like the handguard tool and carbon scraper. The kit also includes bench staples—vise jaws, a chamber mirror, a cleaning rod with adapter, and a magnetic bit handle with assorted tips. Each tool is selected and arranged so nothing you reach for during a build or repair is missing.
This is the kit that shows up when you need to know you have the right tool, not a substitute. It's built for people who service rifles regularly and expect their tools to last as long as their firearms do.
| Case | Hard-sided Pelican toolbox, molded polymer resin, mil-spec MIL-STD-810F, aluminum rail slide system |
| Torque Wrenches | 1/2" drive 10–150 foot-pound torque wrench; 55 in-lb torque wrench |
| Receiver Blocks | AR-15/M16 lower receiver vise block; AR-15/M16 receiver action block |
| Hammers | Premium 3/4" Delrin-tipped brass hammer; 20543 ball peen hammer |
| Wrenches | AR-15 wrench; AR-15/M16 combination wrench; AR-15/M16 spanner wrench; gas tube wrench |
| Sight Tools | A1 AR-15 sight wrench; A2 AR-15/M16 sight wrench |
| Roll Pin Holders | #1S (1/16"), #2S (5/64"), #3S (3/32"), #4S (1/8"), #5S (3.5mm) |
| Roll Pin Punches | #1 (1/16"), #2 (5/64"), #3 (3/32"), #4 (1/8"), #6 (3/16") |
| Alignment & Gauges | AR-15/M16 firing pin protrusion gauge; barrel nut alignment gauge; 5.56 NATO max field headspace gauge |
| Additional Tools | Handguard tool; carbon scraper; snap ring pliers; Accu-Grip vise jaws; bench mat; M16 cleaning rod and adapter; chamber mirror (.222/.223); Magna-Tip stubby handle with bits; 3/8" socket drive adapter |
| Documentation | Firearms Safety Depends On You booklet |
| Kit Type | Premium (includes M4 carbine tools plus all Standard Kit items) |
The Premium Kit is designed for AR-15, M16 (A1 through A4 models), and M4 carbine platforms. The Premium configuration includes additional tools specifically for M4 maintenance beyond what's in the Standard Kit.
Both kits come in the same mil-spec Pelican case with the same core tools. The Premium Kit includes additional components tailored for M4 carbine maintenance and repair that aren't in the Standard version.
Yes. The Pelican toolbox is made from molded polymer resin and meets mil-spec MIL-STD-810F durability standards, designed to protect your tools through workshop and field conditions.
The kit is comprehensive and includes torque wrenches, gauges, punches, vise blocks, and specialized sight and receiver tools. Whether you need additional tools depends on the scope of your work, but this kit covers the full range of standard AR platform service and repair tasks.
Brownells
The Brownells Armorer's Gen II Premium Kit is a complete gunsmithing toolkit built for serious AR-15, M16, and M4 maintenance and repair work. Whether you're a professional armorer, a dedicated builder, or a shooter who wants full control over your rifle's upkeep, this kit consolidates the specialized tools you need into one organized, rugged package. The Premium configuration includes everything in the Standard Kit plus additional components for M4 carbine work, making it the most versatile option for shops and enthusiasts who service multiple platform variants.
Organization and durability matter when you're working on precision firearms. The kit ships in a custom-fitted hard-sided Pelican toolbox built to mil-spec MIL-STD-810F standards—the kind of case that survives years of range trips, shop use, and transport without sacrificing the tools inside. The toolbox features an aluminum rail slide system, so each tray pulls out smoothly and locks into position, giving you clear access to every tool without digging through a jumbled pile. This is the kind of thoughtful design that saves time and reduces the chance of losing a critical punch or gauge.
Inside, you'll find purpose-built tools for every phase of AR platform maintenance: torque wrenches calibrated for critical fasteners, receiver blocks that hold your lower or upper steady during work, sight wrenches for A1 and A2 configurations, roll pin punches and holders in five common sizes, barrel nut alignment gauges, headspace gauges, and specialized extractors like the handguard tool and carbon scraper. The kit also includes bench staples—vise jaws, a chamber mirror, a cleaning rod with adapter, and a magnetic bit handle with assorted tips. Each tool is selected and arranged so nothing you reach for during a build or repair is missing.
This is the kit that shows up when you need to know you have the right tool, not a substitute. It's built for people who service rifles regularly and expect their tools to last as long as their firearms do.
| Case | Hard-sided Pelican toolbox, molded polymer resin, mil-spec MIL-STD-810F, aluminum rail slide system |
| Torque Wrenches | 1/2" drive 10–150 foot-pound torque wrench; 55 in-lb torque wrench |
| Receiver Blocks | AR-15/M16 lower receiver vise block; AR-15/M16 receiver action block |
| Hammers | Premium 3/4" Delrin-tipped brass hammer; 20543 ball peen hammer |
| Wrenches | AR-15 wrench; AR-15/M16 combination wrench; AR-15/M16 spanner wrench; gas tube wrench |
| Sight Tools | A1 AR-15 sight wrench; A2 AR-15/M16 sight wrench |
| Roll Pin Holders | #1S (1/16"), #2S (5/64"), #3S (3/32"), #4S (1/8"), #5S (3.5mm) |
| Roll Pin Punches | #1 (1/16"), #2 (5/64"), #3 (3/32"), #4 (1/8"), #6 (3/16") |
| Alignment & Gauges | AR-15/M16 firing pin protrusion gauge; barrel nut alignment gauge; 5.56 NATO max field headspace gauge |
| Additional Tools | Handguard tool; carbon scraper; snap ring pliers; Accu-Grip vise jaws; bench mat; M16 cleaning rod and adapter; chamber mirror (.222/.223); Magna-Tip stubby handle with bits; 3/8" socket drive adapter |
| Documentation | Firearms Safety Depends On You booklet |
| Kit Type | Premium (includes M4 carbine tools plus all Standard Kit items) |
The Premium Kit is designed for AR-15, M16 (A1 through A4 models), and M4 carbine platforms. The Premium configuration includes additional tools specifically for M4 maintenance beyond what's in the Standard Kit.
Both kits come in the same mil-spec Pelican case with the same core tools. The Premium Kit includes additional components tailored for M4 carbine maintenance and repair that aren't in the Standard version.
Yes. The Pelican toolbox is made from molded polymer resin and meets mil-spec MIL-STD-810F durability standards, designed to protect your tools through workshop and field conditions.
The kit is comprehensive and includes torque wrenches, gauges, punches, vise blocks, and specialized sight and receiver tools. Whether you need additional tools depends on the scope of your work, but this kit covers the full range of standard AR platform service and repair tasks.
