[Where to source replacement trips for rdias?]

Did you try using your sp1 bolt carrier in the other host wepons?

[WITHDRAWN: EXCELLENT PLUS CONDITION Post Sample Original COLT M16A2 Machine Gun marked SAFE / SEMI / AUTO COMPLETE COLT LOWER RECEIVER ASSEMBLY]

This is one of the cleanest 30+ year old factory 727 type M16 carbine's I have ever seen I purchased the upper from this POST SAMPLE Machine Gun in person. Rodney is a Stand Up Guy and I couldn't be Happier with my Purchase 

[REDUCED AGAIN: M16A1 20in Pencil Barrel NEW Free Shipping! $119]

Would like to purchase this