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1/2x28
The Osprey GP2 Osprey, also known as the Air Skimmer, Sea Skimmer, or Pereira GP2 Osprey, was a single-seat flying boat designed by Eut Tileston under contract to George Pereira, a private builder. After the release of Pereira's amphibious Osprey II some years later, this aircraft became known retrospectively as the Osprey I. The original plane was designed to be water launched only. Initial test flights were performed in the Sacramento Delta. A single example was evaluated by the United States Navy as the X-28. Pereira formed Osprey Aircraft to market the plans to homebuilders, including plans for a trailer that allows the pilot to launch and recover the aircraft single-handed. These plans are still marketed by Osprey Aircraft as of March 2017.The Navy became interested in the project through a Naval Air Development Center study into patrol missions in Southeast Asia. The study required that the aircraft be capable of flight under visual flight rules (VFR), be lightweight, cost less than 5,000 US dollars, and be able to be manufactured in Southeast Asia. After examining Pereira's Osprey in 1971, the Navy purchased the aircraft and commenced testing it as the X-28A in the fall of that year. Although the Osprey met most of the requirements of the program, the program itself was cancelled without any further military examples produced. The sole X-28 is now on display in the Kalamazoo Aviation History Museum.
I have 2 brand new AR heat treated muzzle brakes for sell.
1 is a Dyno precision Meteor Muzzle Brake.
1 is a liberty Precision liberty bell muzzle brakes.
Willing to ship @ buyers expense.
30$ ea or 50$ for both.
Both are 1/2 x 28
3 PSA thread protector with O ring New take off from PSA dagger
Aim Surplus Glock 19 rear sight polymer New
PSA dagger front sight metal New take off
$20 for all
Meet near SE 32nd Holgate Blvd
Q Cherry bomb. 1/2x28 for 5.56/.223
Liberty Precision Machine Blast Shield
Trade for
- 5.56/.223 Bolt Carrier Group
- Magpul SL-s or PRS Stock
Trade Value $130
For Sale is a Silencerco Sig Sauer P320 Compact Threaded Barrel 1/2x28. This barrel is LIKE NEW because I only installed it for fitment, but never took it to the range to shoot with it. These Silencerco threaded barrels are hard to get, but are of excellent quality and craftsmanship. Made of...
Spike's Tactical CAR-1 Fake Can gives you the looks of having a 10.5" suppressed rifle but doesn't come with all of the expense and paperwork that's required for the real thing. This is how it works; The CAR-1 shrouds back over the barrel of your rifle concealing part of it inside of the CAR-1...
Surefire Socom Muzzle Device / Adapter
Very light salt (coated in cpl for storage)
5.56/.223
1/2x28
Comes with barrel washers, Surefire thread lock & installation manual
$120 shipped
KAK muzzle device/ flash "can" hider for 300 blk barrel thread pattern 5/8x24. These actually reduce felt recoil a good amount and almost totally eliminate flash. Like new, No marks, less than 50 rounds through it. $40 retail, I’m asking $20 plus shipping or local meetup in greater Spokane.
This is the CNC Warrior threading kit for re-threading rifles that had the threads turned down due to import requirements, the barrel is too small to thread back to 14mm, but in most cases, 1/2” works great.
I bought this to do my Maddi, and it worked excellent. Took my maybe 15 minutes...
This Live Q Or Die 1/2X28 Cherry Bomb is new and unmounted without retail packaging. Currently these are $100 from Q or locally they retail around $85 and up. This CB was included in packaging along with another Q product that I purchased. I have no use for it. I have PayPal or buyer is welcome...
I bought this years ago when I lived in a tiny place with no space for much of anything thinking it would help with cleaning.
And in another fine example of why I should NOT be allowed to do my own thinking I overlooked the reason we were living in such a small place was that we were dead broke...