Description
Item Description
Bryant Ridge Co. is pleased to present this ULTRA RARE semi-automatic rifle today for a penny-start auction; this is the MSAR STG-556 with Serial Number NATO-0005!
According to the owner, this example remains in “NEW IN BOX” condition, and we see no evidence to indicate otherwise!
SPECIFICATIONS:
Manufacturer: MSAR (MicroTech Small Arms Research)
Model: STG-556
Serial: NATO-0005
Caliber: .223 Remington
Finish: Black
Barrel Length: 16" Chrome Lined Barrel
Optics/Sights: No Sights / Extended Optic Ready Rail
Stock/Grips: Flat Dark Earth Synthetic Stock w/ Textured Pistol Grip and Vertical Forearm
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The MSAR STG-556 is a distinctive American-made bullpup rifle produced by Microtech Small Arms Research and heavily inspired by the Austrian Steyr AUG design. Its appeal comes from its compact bullpup layout, which allows a full-length barrel in a much shorter overall package, making it highly recognizable and different from traditional AR-pattern rifles. Chambered in 5.56 NATO/.223 Remington, the STG-556 was offered in several configurations, including early proprietary-magazine versions and later variants compatible with AR-15/STANAG magazines. Collector interest is strongest in clean examples, early-production rifles, limited variants, original optics/rail configurations, and complete packages with factory accessories. While not as widely supported as the AR platform, the STG-556 remains desirable because of its unique design, limited production history, Microtech association, and its place among the more notable U.S.-made AUG-style bullpup rifles.
Contents:
Model: STG-556
Serial: NATO-0005
Caliber: .223 Remington
Finish: Black
Barrel Length: 16" Chrome Lined Barrel
Optics/Sights: No Sights / Extended Optic Ready Rail
Stock/Grips: Flat Dark Earth Synthetic Stock w/ Textured Pistol Grip and Vertical Forearm
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The MSAR STG-556 is a distinctive American-made bullpup rifle produced by Microtech Small Arms Research and heavily inspired by the Austrian Steyr AUG design. Its appeal comes from its compact bullpup layout, which allows a full-length barrel in a much shorter overall package, making it highly recognizable and different from traditional AR-pattern rifles. Chambered in 5.56 NATO/.223 Remington, the STG-556 was offered in several configurations, including early proprietary-magazine versions and later variants compatible with AR-15/STANAG magazines. Collector interest is strongest in clean examples, early-production rifles, limited variants, original optics/rail configurations, and complete packages with factory accessories. While not as widely supported as the AR platform, the STG-556 remains desirable because of its unique design, limited production history, Microtech association, and its place among the more notable U.S.-made AUG-style bullpup rifles.
Contents:
This example will ship with a MSAR case, magazines, sling, and everything pictured above.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping with Insurance $50.00
Long Gun Standard Shipping with Insurance $70.00
Any orders placed with magazines that are not compliant with your state, county, or city regulations will not ship with your order.
We strive to ship orders within the close of the following business day after payment and documentation is received.
Payment Details
We accept all forms of Payment including Personal Check, Business Check, PO Money Orders, Certified Check, Etc.
Please note we place a 7 business day hold on shipment, for all non-certified payments.
Payment MUST be received within 14 days.
Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
Our #1 priority is customer satisfaction. We want to build a lasting trust in the relationship with our customers, so that you will always look to us for all your firearms needs. If you have any issues with your transactions please contact us, and we will work with you to resolve any issues you may have. We greatly appreciate your trust in us and we look forward to fulfilling all your future firearm needs.
Bryant Ridge also reserves the right to cancel any sales that may occur while gunbroker.com is experiencing technical issues that affects the entire site or a complete site outage, within an hour of the auction ending.
We have an amazing inventory of classic and collector firearms that we are adding to Gunbroker daily. Stay up to date on all of our latest auction by adding us to your favorite sellers list.
About Us
From a small town hobby, to a leader in the investment and collector grade firearms industry. Bryant Ridge Firearms is here to offer the best in quality and customer service when you are looking to unload your collector grade firearm collection. 
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1180608798 |
BidPrice: |
0.01 |
AuctionEndDate: |
2026-06-21 22:00:00 |
CurrentBid: |
1313.13 |
