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 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.