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

AR-10 .308 12.5" precision pistol keymod upper assembly features:

Barrel - 12.5" .308 mid length barrel, crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish. This barrel provides time tested precision and accuracy for your .308 pistol build. Threaded 5/8-24 at the muzzle end and finished off with AR-10 cone flash can.

A3 flat top upper receiver - made from solid billet 6000 series aluminum. Black hardcoat anodized. Forward assist and dust cover installed. 

Gas system - .750 low profile gas block made from steel and black hardcoat anodized. Mid length gas tube.

Handguard - 15" keymod free float .308 rail system. You may choose the option of keymod, mlok or quadrail free float on top of page. Rails may differ in design, the same excellent quality.

This upper is DPMS compatible. Does not come with BCG and/or Charging Handle. Please allow 5-7 days for your upper to be build.

AR-15 5.56/.223 16" stainless steel spiral rifle kit w/12" keymod rail contains all components to complete your AR-15 Rifle build. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page.  All components are Mil Spec and made in the USA. 

Barrel: 16” Stainless Steel 416R

Chamber: .223 Wylde (accepts both 5.56 and .223 ammo)

Twist: 1 in 8”

Thread: 1/2x28

.750” Gas Block Diameter

Carbine Gas System

M4 Flat top upper receiver

Forward Assist

Ejection Port Cover

A2-style Flash Hider

12" Slim keymod rail

M16 Bolt Carrier Group

AR-15 Charging Handle

AR-15 Mil Spec Lower Parts Kit

M4 6-position Black Stock

Barrel: 16” Heavy profile match grade 416R stainless steel, spiral cut, 1x8 twist, M4 Feed Ramp, .223 Wylde, carbine gas system, head spaced. Barrel is finished off with 12" slim keymod free float handguard made from airplane grade aluminum, hard coat anodized, cnc machined,  and A2 style flash hider with a crush washer.

Upper: 7075-T6 M4 upper is flat top, precision machined and hard coat anodized.  These uppers are made for us in the USA by a mil-spec manufacturer.

Bolt Carrier Group: M-16 5.56/.223 complete bolt carrier assembly, chrome lined, made from 8620 steel. Bolt is made from 9310 steel and stalked per mil spec. MPI Tested. Comes complete with cam pin, firing pin and firing pin retainer.

Lower Build Kit: Classic DPMS AR-15 lower parts kit, Mil-Spec. Includes everything you need to turn your stripped lower into a complete lower.

Stock: M4 LE carbine 6-position black stock, Mil-Spec. Completed with AR-15 buffer tube assembly and spring.

Please Note: Comes unassembled. Standard kit is DPMS compatible. Also fits perfectly with Poly (DPMS style) lowers. Barrel may come in with 1:9 twist, depending on stock availability. For NY/CA compliance, we can modify the kit based on your preference with Featureless Stock Kit and a Muzzle Brake.

This rifle kit is not an FFL item - some machining is still required on 80% Lower Receiver. 

AR-15 16" 7.62x39 BARRETT 15" LIGHTWEIGHT FDE UPPER. AR-47 are compatible with your standard mil-spec AR-15 lower receivers.

Barrel Length: 16"

• Barrel - 16" 4150 CMV, 1x10 twist, carbine length gas system. Phosphate finish. Chambered in 7.62x39. Button rifled. .750 under gas block. 5/8-24 threads completed with barrett style muzzle brake and crush washer. M4 feedramps.

• A3 flat top upper receiver - Made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed. M4 feedramps.

• Gas system - Low profile .750 steel gas block. Carbine length gas tube.

• Handguards - Rifle-length free floating slim and light profile mlok rail. Made from aircraft quality aluminum.  FDE cerakote.

AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  WEIGHT: 3.2 LB

4" 10MM LRBHO UPPER FEATURES:

BARREL - 4" 10MM MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 10MM.  TWIST: 1:16. 5/8-24 MUZZLE BRAKE THREADS. BARREL IS FINISHED OFF WITH A2 FLASH HIDER.

PISTOL CALIBER SIDE CHARGING UPPER RECEIVER - 

• Machined from 6061 billet aluminum
• Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
• Compatible with all Glock Mag AR-9/40/45 components and most aftermarket parts
• Adjustable tension slide lock on charging handle
• Rear dust cover trap door that seals shut when mated with lower
• Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
• Designed to match lines with AR-9 and AR-45 Billet Lower and most forged lowers

GAS SYSTEM -  BLOWBACK

HANDGUARDS - LIGHT WEIGHT FREE FLOATING 3.5" SLIM M-LOK RAIL. MADE FROM AIRCRAFT QUALITY ALUMINUM AND BLACK HARDCOAT ANODIZED.

AR-40 .40 S&W/10mm RAMPED BCG (Glock & Colt compatible) - 

• US Made 8620 steel with mag phosphate finish

• Ramped Carrier to work with standard AR hammers
• Precision milled for use with Glock style lower receivers
• M-16 cut for use in transferable full auto MG’s, dealer post sample MG’s or other legal machine guns (ALL BATFE RULES APPLY)

UPPER ASSEMBLY COMES COMPLETELY ASSEMBLED AND TESTED. MAKE IT A COMPLETE PISTOL BY CHOOSING OPTIONS ON TOP.

MADE IN USA BY MORIARTI ARMAMENTS.

AR-15 7.62x39 16" STAINLESS BLACK CLAW PREMIUM KEYMOD UPPER ASSEMBLY. Barrel - 16" 416R stainless steel contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 7.62x39, 1-10 rh twist. Bear Claw spiral flutes. Button rifled. .750 under gas block. 5/8-24 threads. Barrel is finished off with competition muzzle brake and crush washer. M4 feedramps. Carbine length gas system.

A3 flat top upper receiver - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed. M4 feedramps.

Gas system - low profile .750 gas block made from aircraft quality aluminum and black hardcoat anodized. Carbine length gas tube.

Handguards - 12" mid-length free floating  slim keymod. Made from aircraft quality aluminum and black hardcoat anodized.

Weight: 4lb. Does not come with BCG and Charging Handle.

We may have variations in rails due to stock availability, the same excellent quality. 

The Moriarti Armaments AR-15 .224 Valkyrie 24″ stainless steel upper assembly comes complete with a MATCH GRADE Stainless Steel 416R Barrel, low profile Steel .750 Gas Block with Nitride Finish and a Stainless Steel Rifle Gas tube. Upper is finished off with a Free Float of your choice, Ultra Slim Line Keymod, MLOK Handguard or Quadrail with a full line picatinny top rail. 

Barrel - 24” .224 Valkyrie Match Grade 416R Stainless Steel Barrel. .224 Valkyrie Match Grade 416R Stainless Steel Barrel Rifle Length Gas and 1:6.7 Twist. U.S. made and manufactured to MIL-SPEC specifications exceeding the ISO-9002 Quality Standard. Provided with a Limited Lifetime Manufacturer Warranty against defects.

• 24” length Barrel
• Medium Contour Barrel (Tapered)
• .224 Valkyrie Chambered
• 1:6.7 Twist Rate
• M4 Feed ramps
• 416R Heat Treated Stainless Steel
• HAND LAPPED – MATCH GRADE
• BARREL IS – AIR GAUGED 
• Rifle-Length Gas System
• .750 Gas Block Acceptance
• Barrel thread for Flash Hider or Muzzle break 1/2 x 28

Handguards - 15" free floating rail. Made from aircraft quality aluminum and black hardcoat anodized. Also available in keymod or mlok option (please choose on top of page).

A3 flat top upper reciever - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed. M4 feedramps.

Gas system - low profile steel  .750 gas block, black hardcoat anodized. Rifle length gas tube.

Upper Assembly does not come with BCG and CH. Available on top of page.

AR-15 300 AAC blackout 16" stainless steel "Eagle Claw" complete upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!

• Handguards - mid-length free floating keymod rail. Made from aircraft quality aluminum and black hardcoat anodized.