which is which

[lincolntc690 10+ year member]

on the older 3 slug btl's, was it the D1 or the D2's that were basically universal??

thanks

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[infamous_e46 5,000+ posts]

Both

 

[lincolntc690 10+ year member]

then why have a uni. option if you can swap them out either way??

 

[lincolntc690 10+ year member]

anyone else? i dont want to order the D2 if i can use it!!(sub originally D1)