Another example of a USAF URG-I style blaster was flagged for me on Instagram. It’s from the @djfishsticks account:

It’s pretty clear that the signature Geissele Mk16 Super Modular Rail is the 9.3 version – check out the vents:

The arrow points out the small vent, above the four vents in the 9 O’clock position.

Aside from the Geissele ACH, NGAL, Aimpoint T2 and a few other items, it’s difficult to decipher full details for a definitive parts list. Maybe that’ll be resolved by images in future posts from the account.

With that said, here’s a stab at a parts list:

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