Very nice PTR Tri-Rail handgaurd with 3 rails installed. This fits a Squad / Scout Carbine, HK 93 and possibly others.
It is 9 5/16" long.
Please email or PM. Emails will get faster response as I cannot check for PM's during the day.
PTR Carbine handguard
This handguard is $149.95 + shipping on HK Parts.net.