Wolff gunsprings

[USGI]

Eddie,
Your Op Slide Spring should measure 10-1/4" laying flat on the table.
Do Not try to stretch a Short Spring to make it longer..... Comprende ?

EDIT: Ask this seller if he ships to you if you want USGI New Springs

M1 Carbine spring operating slide USGI NOS | eBay

Charlie, I refuse to buy from that seller. Take a look at their other items. I bought an op slide spring from them 2 years ago shown as being from an identical package. The spring I received wasn't USGI. Does "Wobsfund" ring a bell? - Bob

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