This New Old Stock 40mm M129 Elevation Stop Assembly offers a rare and authentic piece of military technology from a defining era in U.S. aviation. Ideal for display, historical collections, or restoration, it provides a direct connection to the advanced weapon systems that supported close air combat operations.
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Enhance your collection or restoration project with this New Old Stock (NOS) 40mm M129 Elevation Stop Assembly, National Stock Number 1010-00-756-3725, and Federal Stock Number 1010-756-3725. Originally designed for the M129 grenade launcher, this elevation stop assembly is a critical component that ensured precise vertical targeting capabilities for advanced military aircraft weaponry. The M129 launcher was an improved version of the M75, featuring reduced recoil, improved mounting, and a higher rate of fire—up to 400 rounds per minute, compared to the M75’s 225 rpm.
Key Features:
Essential M129 Grenade Launcher Component: The elevation stop assembly was vital to the M129 launcher, enabling precise control over elevation to ensure accurate targeting. This launcher was widely used on the AH-1 Cobra series helicopters, including the AH-1G, AH-1Q, MOD AH-1S, and production AH-1S models, where its rapid-fire capabilities provided close air support and superior engagement in combat.
Historical Military Aviation Significance: The M129 grenade launcher, with its advanced design, was part of the M28 armament subsystem on various Cobra models and the XM51 subsystem on the AH-56 Cheyenne. Known for its smooth operation and enhanced rate of fire, the M129 became a staple in Cold War and Vietnam-era combat missions, providing ground troops with reliable air support.
New Old Stock Condition: This elevation stop assembly is preserved in its original, unused state, making it a valuable find for collectors, restorers, and enthusiasts of military aviation technology. Its NOS status offers historical authenticity, perfect for both display and functional restoration.
Product Details:
Condition: New Old Stock, unused and in excellent condition
NSN: 1010-00-756-3725 / FSN: 1010-756-3725
Compatibility: Designed for use with the 40mm M129 grenade launcher
Collector’s Appeal: Ideal for military aviation historians, ordnance collectors, and restoration professionals who appreciate authentic components from iconic military aircraft systems
Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures are representative of the item's general condition. The item you receive might be slightly better, or worse, condition than was shown in the pictures.
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