- White “Experimental” Semi-Automatic Rifle Chambered in 30-06 with Unique Side Mounted Gas
- J.C. White “Experimental” 30-06 Semi-Automatic Rifle with Pedersen Type Toggle Locked Breech Mechanism
- J.C. White “Experimental” Semi-Automatic Rifle Chambered in .276 Cartridge with Unique Gas System
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Whttps://forum.enlisted.net/t/jc-white-rifles/146828hite “Experimental” Semi-Automatic Rifle Chambered in 30-06 with Unique Side Mounted Gas

J.C. White “Experimental” 30-06 Semi-Automatic Rifle with Pedersen Type Toggle Locked Breech Mechanism

J.C. White “Experimental” Semi-Automatic Rifle Chambered in .276 Cartridge with Unique Gas System

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The J.C. White Self‑Loading Rifle .30‑06 is an extremely rare, one‑of‑a‑kind experimental semi‑automatic rifle developed in the early 1930s for U.S. Army trials, featuring a unique side‑mounted gas system and toggle‑lock action
In 1929, the U.S. War Department invited manufacturers to submit candidate semi‑automatic rifles. J.C. White, then an engineer at the United Shoe Machinery Company, presented an unfinished prototype in August 1929. He requested a six‑week extension to complete it, but was denied. The Ordnance Board had already selected the M1 Garand and Pedersen rifles for further testing, and White’s submission was disapproved
Undaunted, White continued work and in May 1930 submitted two completed rifles — one a 30‑06 “light machine gun” prototype (semi‑auto only) and another the toggle‑locked .30‑06 rifle
These were part of a set of three experimental rifles, all kept together in a wooden box for over 50 years until discovered in 2006
- Operation: Short‑recoil, toggle‑locking action with a side‑mounted gas system
- Caliber: .30‑06 Springfield.
- Magazine: 10‑round end‑block clip (larger than Garand’s 8‑round clip)
- Locking System: Toggle lock held down by a bolt lock; firing stresses borne by locking lugs rather than pins. Unlike Pedersen’s delayed blowback toggle rifle, this was a positively locked action, but British trials found it fragile for combat use
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