Items Available For Purchase Today Object reference not set to an instance of an object. See All 1903 Mk. I Pedersen Device Slot US Springfield For Sale from: Steven ( FFL) | Positive feedback: 93% View | Verified Seller | 143 Completed Sales View Sellers Items 1903 Mk. I Pedersen Device Slot US Springfield For Sale from: Steven | Positive feedback: 93% View | Verified Seller | 143 Completed Sales View Sellers Items Steven Seller Since: Apr. 2006 Identity Verified ( Lady Lake, FL ) This seller is an FFL City: Lady Lake State: FL SOLD - $1,799.00 Shipping: $49.00 Accepted Payment Methods: Returns: See Description Description: Famous WWI era rifle, Springfield US Model 1903 Mk. I, with the mysterious ejection port cut in the left side, receiver rail. See slot in photo. That slot was to handle ejection of spent cases, flying out after being fired by the Pedersen Device, which turned the bolt action, Model 1903 Springfield Rifle into a semi-auto rifle in order to lay down rapid "walking fire", now called suppressive fire. All original Springfield and dated 1919. Barely too late to be used during WWI, these Mk.I rifles were kept as top secret until made obsolete, by the adoption of the semi-auto fire, M1 Rifle in 1932. Even then, when the Mk.I rifles went back into regular service, as issue grade M1903 rifles, the soldiers carrying them did not know why the "funny" slot was cut into the left side receiver rail. Fires the original 30-06 cartridges using the standard M1903 bolt. A rare piece of US military history. More photos and details upon request. Condition: Used, Minor Wear Brand: Springfield, Mass. Model: 1903 Mk. I Caliber: .30-06 (all) Item #: 904216009 Stock No.: Pedersen Location: FL Trades Accepted: Share: Shipping Notes: Buyer pays 49 shipping to the lower 48 states. I am registered with California DOJ, so shipping to CA. is okay I am an 01FFL holder. Items You've Viewed Recently 1903 Mk. I Pedersen Device Slot US Sprin... $1799.00 SELLER: Steven (FFL Dealer) Add To Cart