No.1 Mk.3 Stock & Magazine Parts

49: SCREW, spring, trap, plate, butt

Original Item:  "0742"   - Flat top

49 - Screw for Safety/Bolt Lock & trap, butt plate

49 Plate B, original item, BB 8614:  Used for both the Bolt Lock / Safety Catch and Butt Plate trap spring assembly.  New Old Stock  Buy 20 and get them in an original-unopened box.  

53 & 54: Stud and Spring

Original Item; 53: STUD 53-no1B   BB 0771 54: SPRING 54-no1B   BB 0761

55 - Trigger - Ribbed

55 Plate B, original item.  BB 8638