Not sure what you mean, but the NITRO stamp is equivalent to CIP proofing and it's not homologated under CIP as per Sweden isn't a member of CIP.
The final acceptance stamps are the final step after the firearm passed the NITRO proffing and is ready for the civilian market.
The final acceptance stamps are the final step after the firearm passed the NITRO proffing and is ready for the civilian market.
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