AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake -
is a perfect addition to your AR-15 build. All you need is a case of ammo to change your standard AR 5.56 to a new 300 Blackout upper.

Assembly Features:

• Chamber - 300 AAC

• Barrel Twist - 1x8

• Barrel Thread - 5/8 x 24

• Barrel Steel - 4150 Chrome Moly with Nitro-Met coating, CNC machined, M4 feedramps

• Muzzle Brake - AR-15 Gen 2 Micro Reverse Thread slip over Socom style fake suppressor

• Handguard - Midlength Hardcoat Anodized Quadrail Free Float 

• Gas Block - .750 Low Profile aluminum gas block, from aircraft quality aluminum and hardcoat anodized; pistol length gas system 

• Upper Receiver - A3 Flat-Top Upper, made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov. specs; assembled

• Bolt Carrier Group - Not Included

• Charging Handle - Not Included

DUE TO A HUGE INCREASE IN ORDERS - PLEASE EXPECT AT LEAST 2-4 WEEKS DELAY BEFORE YOUR ORDER SHIPS. YOU WILL RECEIVE A TRACKING NUMBER ONCE WE GET YOUR ORDER OUT THE DOOR.

AR-9 9MM 10.5" MINIMALIST SERIES GLOCK STYLE PISTOL/SIDE CHARGER/LRBHO.  THIS PISTOL IS BASED ON LAST ROUND BOLT HOLD OPEN UPPER RECEIVER. ACCEPTS GLOCK STYLE MAGAZINES. FFL TRANSFER ITEM. 

BARREL - 10.5" 4150 CMV STEEL GOVERNMENT PROFILE BARREL. HARDENED TO 26-32 RC AND STRESS RELIEVED.  CHAMBERED IN 9MM, 1-10 RH TWIST. THREADED 1/2X36. BARREL IS FINISHED OFF WITH SLIM REVERSE THREAD FLASH CAN SUPPRESSOR AND CRUSH WASHER.

BILLET SLICK SIDE UPPER RECEIVER WITH SIDE CHARGER - MADE FROM CERTIFIED 7075-T6 ALUMINUM BILLET. BLACK HARDCOAT ANODIZED COATED TO GOV. SPECS. LIGHTWEIGHT MODEL. DOES NOT REQURE FORWARD ASSIST. LRBHO.

GAS SYSTEM -  BLOWBACK

HANDGUARDS - 10" FREE FLOATING SLIM MLOK, LIGHTWEIGHT. MADE FROM AIRCRAFT QUALITY ALUMINUM AND BLACK HARDCOAT ANODIZED. YOU HAVE AN OPTION TO CHOOSE RAIL DESIGN - KEYMOD, MLOK OR QUADRAIL. 

RAMPED 9MM BCG AND STANDARD BILLET AR-15 CHARGING HANDLE. 

STOCK: SB TACTICAL SBA3 3-POSITION ADJUSTABLE BRACE

LOWER RECEIVER: MA-9 GLOCK STYLE BILLET LOWER COMPLETED WITH MIL SPEC LPK,  

MAGAZINE: INCLUDED, CAPACITY DEPENDS ON STATE YOU ARE IN (EITHER 30RD OR 10RD)

WEIGHT: 5.5 LBS, STRIPPED

PLEASE NOTE: DOES NOT COME WITH SIGHTS. THERE MIGHT BE SOME VARIATIONS IN RAIL DESIGN, DEPENDING ON STOCK AVAILABILITY, SAME EXCELLENT QUALITY.

THIS ITEM MUST SHIP TO A FFL. PLEASE HAVE YOUR FFL EMAIL A SIGNED COPY TO US AT INFO@MORIARTIARMAMENTS.COM.  YOUR ORDER WILL NOT BE PROCESSED UNTIL WE HAVE THE COPY. PLEASE BE SURE THE FFL REFERENCES YOUR INVOICE NUMBER IN THE EMAIL, OR YOUR ORDER CANNOT BE PROCESSED. A SIGNED COPY OF OUR FFL WILL BE SENT WITH THE SHIPMENT. 

AR-15 Moriarti Duo TakeDown Pistol Upper Assembly | 5.56 Nato and 300 Blk Complete Combo allows for easy and convenient way to interchange calibers without actually detaching receivers. Compatible with virtually any Mil-Spec pistol AR-15 lowers, this TakeDown Duo saves time and money by getting two calibers in one set.

Duo set includes (barrel length can be modified to preference thru selections on top of page)-

• Caliber Duo: AR-15 300 Blackout / AR-15 5.56 Nato
• Operating System: Gas Impingement System – Semi-Automatic
• Receiver: Moriarti A4 Type Flat Top Upper Receiver
• Receiver Material: Forged 7075 T6 Aircraft Aluminum with Aluminum Trigger Guard
• Receiver Finish: Hardcoat Black Anodize Finish
• Bolt Material: Carpenter 158 Steel, M16 
• Charging Handle: Included
• Barrel 1: 7.5“ 300 blk M4 Profile with Fluted Flash Can (You may select your preference on top of page)
• Barrel 2: 10.5" 5.56 Nato M4 Profile with Fluted Flash Can  (You may select your preference on top of page)
• Barrel Material: 4150 Chrome Moly Vanadium with M4 Feed Ramps & Nitride Treated
• Rail: Slim profile mlok rail (please note some variations of rail design maybe applied, based on stock availability, the same excellent quality)
• Barrels are equipped with LEO TakeDown barrel coupling system
• Features minimalist design
• DUE TO A HUGE INCREASE IN ORDERS - PLEASE EXPECT AT LEAST 2-4 WEEKS DELAY BEFORE YOUR ORDER SHIPS. YOU WILL RECEIVE A TRACKING NUMBER ONCE WE GET YOUR ORDER OUT THE DOOR.

AR-9 9MM MORIARTI 7.5" THE 'PROMETHEUS' GLOCK STYLE PISTOL / SBA3 / LRBHO. ACCEPTS GLOCK STYLE MAGAZINES. MUST BE SHIPPED TO FFL. ALL NFA RULES APPLY. PLEASE ALLOW 3-5 WEEKS FOR DELIVERY FROM RECEIPT OF FFL.

Barrel Length: 7.5"
Barrel Profile: Heavy
Barrel Steel: Chrome Moly Vanadium 
Barrel Finish: Nitride 
Muzzle Thread: 1/2X36
Chamber: 9MM Match Grade AR Barrel
Twist Rate: 1 in 10"

Gas System: Blowback
Muzzle Device: Slim Flash Can in Nitride
Receiver Material: Billet
Receiver Type: Flat Top, FDE Cerakote, slick side with LRBHO

Lower Receiver: MA-9 Billet Lower,  Cayote Cerakote, completed with mil spec Lower Parts Kit
Hand guard Type: 7" Slim Free Float Mlok Rail, Sniper Grey Cerakote
Bolt Included: Yes (Hybrid 9MM)
Bolt Steel: 8620 

Stock: SBA 3 Adjustable Brace with heavy buffer and tube, Sniper Grey. Magpul Moe grip in black.

Magazine: Included

Weight: 5lb, stripped

FFL transfer item. Does not include sights or optics. Does not include law tactical folding adapter, maybe purchased separately. This is a specialty item, all custom made to order. Please note, no two pistols can be the same as the paint is custom made. Due to custom cerakoting of the item, there might be slight differences to colors and shades vs. the picture as no one item is the same. Please also note, pistol is based on slick side upper receiver (no forward or dust cover is included). Picture features Law Tactical adapter as an add on option, currently unavailable.