GSG / ATI 1911 .22LR Factory Main Spring Housing Assembly, MSH Pin, and MSH Internal Retaining Pin
All parts are in excellent used condition. Some light wear on the finish. 
Includes: 
1 Main Spring Housing Assembly- Serrated and Arched 
1 Main Spring Housing Pin
1 Main Spring Housing Internal Retaining Pin
Parts may require fitting.

Shipping available USPS. Buyer covers shipping.