Skip to content

Para Bellum Arms

  • Home
  • About Us

    About Us

    Quality Promise

    Brands We Use

    Contact Us

    Support Us

  • Design

    Defining the Build

    NFA and Prison AR Class What the Spec Component Compatibility

    Platform Components

    Lower Receiver Upper Receiver Handguard Platform Manufacturer

    Operating System Components

    Muzzle Device Barrel Gas Block Bolt Carrier Group Buffer Buffer Spring Receiver Extension Trigger Hammer/Trigger Pins

    Controls

    Charging Handle Safety Selector Magazine Catch/Button Bolt Catch Pivot/Takedown Pins

    Furniture & Ergonomics

    Buttstock Pistol Grip Foregrips & Stops

    Special Topics

    Metals & Finishes Handguard Length Roll Pins Caliber Conversion Sister Cartridges
  • Buy

    Small Frame Upper Assemblies

    Carbine Upper Assemblies Rifle Upper Assemblies

    Small Frame Lower Assemblies

    Carbine Lower Assemblies Rifle Lower Assemblies

    Small Frame Build Kits

    Carbine Build Kits Rifle Build Kits

    Small Frame Components

    Bolt Carrier Groups
  • Build

    Start Here

    Build Considerations

    What’s at Stake Lock & Lube Torque Adjustment

    Tools & Materials

    Lubrication Thread Locker Wrenches Drivers, Bits, & Keys Hammers & Punches Vices & Blocks Miscellaneous Tools

    How to Build

    Upper Receiver Assembly Lower Receiver Assembly Final Assembly

    Tutorials

    Staking the Castle Nut Build a Gas System Illuminator

    Blueprints

    PB Arms Clones (COMING SOON) Military Clones
  • Maintain

    Troubleshoot (COMING SOON)

    Tools & Materials

    Solvents & Lubricants Chamber & Bore Tools Patches, Pads, & Wipes Miscellaneous Tools

    Disassembly

    Clean & Inspect

    Cleaning the Upper Cleaning the Lower

    Lubricate

    Reassembly

    Function Check

    Repair & Replace (COMING SOON)

  • Learn (PBU)
$0.00 0 Cart

Para Bellum Arms

$0.00 0 Cart
  • About Us
    • About Us
    • Quality Promise
    • Brands We Use
    • Contact Us
    • Support Us
  • Store
    • PBA Assemblies
    • PBA Build Kits
    • Components
  • Design
    • Defining the Build
    • Platform Components
    • Operating System Components
    • Controls
    • Furniture & Ergonomics
    • Special Topics
  • Build
    • Start Here
    • Build Considerations
    • Tools & Materials
    • How To Build
    • Blueprints
  • Maintain
    • Tools & Materials
    • Disassembly
    • Clean & Inspect
    • Lubricate
    • Reassembly
    • Function Check
  • Para Bellum University
  • About Us
    • About Us
    • Quality Promise
    • Brands We Use
    • Contact Us
    • Support Us
  • Store
    • PBA Assemblies
    • PBA Build Kits
    • Components
  • Design
    • Defining the Build
    • Platform Components
    • Operating System Components
    • Controls
    • Furniture & Ergonomics
    • Special Topics
  • Build
    • Start Here
    • Build Considerations
    • Tools & Materials
    • How To Build
    • Blueprints
  • Maintain
    • Tools & Materials
    • Disassembly
    • Clean & Inspect
    • Lubricate
    • Reassembly
    • Function Check
  • Para Bellum University
Home > Para Bellum University > Sister Cartridges Deep Dive > Sister Cartridges Reports and References > STANAG 4172

STANAG 4172 Edition 2 (5.56 NATO)

Skip to PDF content

EXPLORE

  • PBA Store
  • Design
  • Build
  • Maintain
  • PBU

SUPPORT

  • FAQs
  • Contact Us

LEGAL

  • Legal Disclaimer
  • Terms & Conditions
  • Privacy Policy
  • Cookie Policy
  • Shipping & Returns Policy

Join the PB Community!

Get the good stuff first — new product drops, behind-the-scenes updates, and our monthly newsletter that’s actually worth reading. We’ll never spam you, sell your info, or make you regret hitting “Subscribe.” Unsubscribe anytime (we won’t take it personally).
Footer CTA

Copyright © Para Bellum, LLC