Griffin Armament AR-15 PSD Pistol Upper Receiver Assembly 9.5″ 300 AAC Blackout

Each user of the Griffin Armament AR-15 PSD Pistol Upper Receiver receives superior features and dependability. Contact me. Order now.

Original price was: $1,249.99.Current price is: $1,029.99.


Griffin Armament AR-15 PSD Pistol Upper Receiver For Sale

Each user of the Griffin Armament AR-15 PSD Pistol Upper Receiver receives superior features, dependability, and the opportunity to customize their upper to meet their demands. Great Endurance Dual Purpose functionality is offered by the griffin armament upper receiver, which gives high durability and pinpoint accuracy. With match-grade bore dimensions and polish, nitride 416R stainless steel provides the best possible hardness and the most extended throat life attainable. Hand lapping of HEDP barrel bores ensures accuracy and consistency from batch to batch.

Regardless of the brand or model, TRUE-BORE concentric suppressor grade threads offer an optimal thread interface for your silencer. Before nitriding, M4 feed ramps and chambers are polished to ensure reliable feeding, chambering, and extraction. Griffin armament mk1 patrol contour diameter between the chamber and gas block for the least amount of POI change with suppressors, the most accuracy and durability, and the minor weight loss in the field.

Griffin armament mk1 recce upper are rigid M-LOK rails that are thin, low profile, and extremely light. The goal of this rail’s design was to be compact, griffin armament ar, lightest, and more rigid than other solutions on the market with comparable weight and profile. Internal strengthening from a bespoke extrusion significantly reduces flex when holding the carbine firmly in the shoulder pocket.

The griffin armament ar pistol has a lightweight 7075 T6 Aluminum barrel nut that can be mounted using the griffin armament upper or any automobile stock wrench. Shims that are already in place allow barrel nut timing and maintain the low profile and ergonomic design of the rear section of the rail for carrying with a comfortable posture in stationary positions.

The accompanying standard QD sling swivel (not included) is used to install the 17-4 stainless steel anti-rotation QD sling swivel sockets through the rail and into the nut, keeping the fence as low-profile as possible. In keeping with the goals of the sleek design, flat socket head cap screws are employed similarly. The 3, 6, and 9 o’clock M-LOK slots allow you to mount your preferred M-LOK accessories.


  • 416R SS barrel manufactured from stress-relieved certified barrel steel
  • Black nitrided for extended service life
  • Magnetic particle inspected
  • Button rifled
  • 300 Blackout chamber
  • Pistol gas system
  • .750″ gas block journal
  • M4A1 diameter for reduced POI shift / Increased Accuracy & Durability
  • Air-gauged and hand-lapped bore
  • Polished chamber and M4 feed ramps
  • TRU-BORE suppressor quality threads
  • Suppressor-optimized gas ports

Made In the United States of America

Specifications – Griffin Armament’s MK1 Upper

Product Information

Cartridge 300 AAC Blackout (7.62x35mm)
Finish Black Nitride
Material Aluminum
Barrel Length 9.5 Inches
Threads 5/8″-24
Barrel Contour M4
Sights Yes
Barrel Finish Black Nitride
Gas Block Diameter 0.75 Inches
Gas System Length Carbine
M4 Feed Ramps Yes
Upper Receiver Type A4 Flat-Top
Barrel Material 416R Stainless Steel
Handguard Griffin Low-Pro RIGID Rail
Bolt Carrier Assembly Included Yes
Muzzle Device Griffin Silencer Mount Muzzle Device
Mil-Spec or Commercial Mil-Spec
Country of Origin United States of America
Compatible With

Delivery Information

Shipping Weight 4.650 Pounds


There are no reviews yet

Only logged in customers who have purchased this product may leave a review.

Similar Products
error: Content is protected !!