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Posted: 10/26/2004 10:17:22 PM EST
[Last Edit: 10/26/2004 10:22:43 PM EST by Triumph955i]
i have a Colt M4 upper that was hacked and made into a large hole upper to fit on a Colt SP-1 lower.

recently i found a SP-1 upper to put on the large hole lower so now i have an upper i cant put anything on.

i bought a bushing that slips into the large hole upper to fit on the small hole lower but there is still a woblble.

the upper is marked M4.

if i were to get an upper from bushmaster and replaced it, would i comprimise any quality if i swapped uppers?

Link Posted: 10/26/2004 11:03:27 PM EST
[Last Edit: 10/26/2004 11:03:45 PM EST by MuRDoC]
My freind has bushys and colt, I have a colt, I've switched tops with them and they fit fine, I like bushy
Link Posted: 10/26/2004 11:43:24 PM EST
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