High Tower Armory HTA 90/22 Bullpup Semi-Auto Rifle in .22 LR with 18.5 Inch Barrel (Ruger 10/22 Donor)
This custom .22 LR semi-auto rifle pairs a Sturm Ruger 10/22 donor action with a High Tower Armory (HTA) 90/22 bullpup conversion chassis. It features a P90-style overall profile, glass reinforced polymer construction, and integrated Picatinny rail space for mounting accessories. The receiver/chassis is marked "MODEL: HTA 90/22" and "Made in the U.S.A.," with HTA and HIGHTOWER ARMORY branding.
CONDITION
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: The barrel action has been camo painted, but it is hidden by the chassis. The bolt does not want to close under its own power. The chassis may need to be adjusted.
WHAT'S INCLUDED
- High Tower Armory (HTA) 90/22 bullpup conversion stock/chassis (installed)
- OEM parts
- Stock
- 1x 10-round .22 LR magazine
- 1x 25-round .22 LR magazine
- Blue chamber flag / chamber safety indicator
Built around a Ruger 10/22 donor rifle, this HTA 90/22 conversion changes the handling to a bullpup layout while keeping the familiar .22 LR semi-automatic blowback action. The result is a compact, P90-style profile with the magazine and action positioned rearward in the chassis.
This setup includes a top-mounted Picatinny rail and additional forward Picatinny rail section(s), giving you multiple mounting points on the chassis. A cylindrical forward barrel shroud surrounds the barrel/muzzle area, matching the conversion's distinctive forward-end design.
The chassis is made from glass reinforced polymer and is marked on both sides with "MODEL: HTA 90/22." Additional markings include "Made in the U.S.A." along with HTA and HIGHTOWER ARMORY branding, confirming the platform and origin.
Factory-provided details list an 18.5 inch barrel, 10+1 capacity, and a 2016 manufacture year. Two .22 LR magazines are included: one standard-length and one extended-length.