A few corrections:
MK18 Mod 0
- Colt Lower
- Colt Upper
- Colt 10.3 inch barrel (earliest where cut down Colt M4 barrels
- Mk12 Gas Block (Daniel Defense or Badger Ordnance - opinions vary. Kevin B from KAC indicates its a Badger) (negative stock Front Sight Gas Block)
- KAC RIS (later M4 RAS)
- KAC M4-QD Flash Suppressor
- LMT Rear Sight or KAC 300m Flip Up Rear Sight
- LMT Sopmod stock
- CQD Rear sling mount
- CQD forward sling mount
MK18 Mod 1 (Same as above but with newer rail)
- Colt Lower
- Colt Upper (or DD)
- Colt 10.3 inch barrel (or DD)
- Mk12 Gas Block (Daniel Defense or Badger Ordnance - opinions vary. Kevin B from KAC indicates its a Badger -- Kevin B note, Badge on the Mk12, earlier Mk18 Mod1 where using BO, then chnaged to DD when DD started assembling the uppers in house --- for unit assembled uppers, it may be a number of options)
- Daniel Defense Mk18 RIS II Rail
- PRI Gas Buster Charging Handle (Gas deflecting charging handle)
- KAC M4-QD Flash Suppressor
- KAC Front Flipup sight in Taupe (KAC speak for Flat Dark Earth)
- Matech or KAC Flip Up Rear Sight (appears again to be all over the map but the Matech fits under the Elcan for sure) KevinB note, MATECH is US ARMY issue, USASOC elements may opt for "free" rear sight as no sight comes with the upper from Crane)
- LMT Sopmod stock
- CQD Rear sling mount
- CQD forward sling mount
- Tango Down Vertical Foregrip BGV-ITI in Tan
- SU-230/PVS 1-4X Dayscope (aka Elcan Spectre Dr 1-4)
- SU-123 ECOS-E (EOTECH 553)
- Some have the MRD mounted on top of the SU-230 (Miniature Red Dot aka Docter Sight)
- SU-233/PVS Visible Bright Light III (aka Insight M3X Tan)
- LA-5/PEQ Integrated Small Arms Illuminator (aka Laser Devices DBAL)
- and about 10,000 more variations...
SOPMOD current suite is a interesting aspect...
MK18 Mod 0
- Colt Lower
- Colt Upper
- Colt 10.3 inch barrel (earliest where cut down Colt M4 barrels
- Mk12 Gas Block (Daniel Defense or Badger Ordnance - opinions vary. Kevin B from KAC indicates its a Badger) (negative stock Front Sight Gas Block)
- KAC RIS (later M4 RAS)
- KAC M4-QD Flash Suppressor
- LMT Rear Sight or KAC 300m Flip Up Rear Sight
- LMT Sopmod stock
- CQD Rear sling mount
- CQD forward sling mount
MK18 Mod 1 (Same as above but with newer rail)
- Colt Lower
- Colt Upper (or DD)
- Colt 10.3 inch barrel (or DD)
- Mk12 Gas Block (Daniel Defense or Badger Ordnance - opinions vary. Kevin B from KAC indicates its a Badger -- Kevin B note, Badge on the Mk12, earlier Mk18 Mod1 where using BO, then chnaged to DD when DD started assembling the uppers in house --- for unit assembled uppers, it may be a number of options)
- Daniel Defense Mk18 RIS II Rail
- PRI Gas Buster Charging Handle (Gas deflecting charging handle)
- KAC M4-QD Flash Suppressor
- KAC Front Flipup sight in Taupe (KAC speak for Flat Dark Earth)
- Matech or KAC Flip Up Rear Sight (appears again to be all over the map but the Matech fits under the Elcan for sure) KevinB note, MATECH is US ARMY issue, USASOC elements may opt for "free" rear sight as no sight comes with the upper from Crane)
- LMT Sopmod stock
- CQD Rear sling mount
- CQD forward sling mount
- Tango Down Vertical Foregrip BGV-ITI in Tan
- SU-230/PVS 1-4X Dayscope (aka Elcan Spectre Dr 1-4)
- SU-123 ECOS-E (EOTECH 553)
- Some have the MRD mounted on top of the SU-230 (Miniature Red Dot aka Docter Sight)
- SU-233/PVS Visible Bright Light III (aka Insight M3X Tan)
- LA-5/PEQ Integrated Small Arms Illuminator (aka Laser Devices DBAL)
- and about 10,000 more variations...
SOPMOD current suite is a interesting aspect...