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This FGC9 MKII upper has been modified to fit AR9 barrels, and to accept both MKI and MKII style charging handles. A modified Stingray style retainer is provided, which clamps the AR barrel with 4x M4 grub screws to reduce barrel sag when thermal cycled. .STEP and .STL provided.
Check out FGCKits in the US for build and upgrade parts for a 100% maintainable FGC9 build with the highest quality parts.
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FGC9-MKII MKIISD UNW227 shroud FGC6-MKII
these MKIISD shroud models will work on the MKII platform. but it haves some upgrades from the FGC9SD.
what does the MKIISD update mean?
the main up…
496
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FGC-9 MKII UNW BOLT on low rail UPPER set
this lower top rail will work with your stock FGC9 MKII,FGC6 MKII and FGC9 MKIISD Uppers.
this model is made to go in place of the stock top rail th…
279
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FGC9-MKII MKIISD UNW300 shroud FGC6-MKII
what does the MKIISD update mean?
the main update and why these are called MKIISD are that I took some improvements from the FGC9 SD and placed in t…
113
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UNTESTED - FGC-9_MkII PCC Drum Lower version 1.1
I have a promag drum and it doesnt fit the magwell. I don't want force a fit using a dremel so this is a modified lower. This has come from the small…
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