Armalytics is updated with the FRT for this now. I lists multi caliber including 12 and 20 gauge which I wasn't expecting. The main things I noticed is:
"RAVEN" is not a variant of the Colt AR-15 type rifle.
https://www.armalytics.ca/?q=lockhart&size=n_10_n
Summary
Firearm Reference Number (FRN): 196562
Valid As Of Date: 2022-03-14
Manufacturer: Lockhart Tactical
Level: Manufacturer Specifications and Commercial Customization
Country of Manufacturer: CANADA
Serial Numbering: See Note
Notes
Make
"LOCKHART TACTICAL" is marked on the right side of the receiver/frame.
"MADE IN CANADA / FABRIQUE AU CANADA" is marked on the left side of the receiver/frame.
"LOCKHART TACTICAL" is located on Vancouver Island, British Columbia, Canada.
Model
The model designation is not marked on the receiver/frame.
"RAVEN" is marked on both side of the upper assembly.
"RAVEN" is not a variant of the Colt AR-15 type rifle.
"RAVEN" is a designed purpose built pistol-calibre carbine (PCC) that uses simple blowback operation from a closed bolt and feeds 9 MM Luger ammunition from Glock9MM pistol magazines.
"RAVEN" shares design features reminiscent of the Thureon Defense Model GA, Just Right JR carbine, TNW Areo Survival Rifle and Kel-Tec Sub 2000.
Features include: ventilated forearm with accessory rail; aluminium alloy flat top upper assembly with accessory rail; tool-less barrel removal design; ambidextrous charging handles; ambidextrous safety/selector ; bolt release lever located on the left side of the aluminium alloy receiver/frame; automatic last round bolt hold open.
Overall length with a 472 mm (18.6 inches) barrel is 838 mm (33 inches), average weight is 2.5 kg (5.5 lbs).
The "RAVEN" utilizes a 3-part receiver consisting of an upper, a lower, and a magazine well. For regulatory purposes, the lower receiver is the receiver/frame of thefirearm.
Manufacturer
"LOCKHART TACTICAL" is marked on the right side of the receiver/frame.
"MADE IN CANADA / FABRIQUE AU CANADA" is marked on the left side of the receiver/frame.
"LOCKHART TACTICAL" is located on Vancouver Island, British Columbia, Canada.
"LOCKHART TACTICAL" was established in 2012.
Action
Blowback operated.
Calibre
The calibre designation is marked on the left side of the receiver/frame.
The calibre designation is usually marked on the barrel assembly.
Shots
Detachable box magazine.
Accept Glock pistol magazine.
Serial Number
The serial number is marked on the right side of the receiver/frame.
Serial number of a referenced example consisted of a two letter prefix (PR) and five numbers.
Cross-References
Also Known As/Product Code
LT-Raven 9
LT-Raven9
Lockhart Tactical PCC
Lockhart Tactical Pistol Caliber Carbine
Lockhart Tactical Pistol Calibre Carbine
Lockhart Tactical Raven
Lockhart Tactical Raven 9