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DD Custom Arms
DD Custom Arms 'Ritro' AR-15 Featuring Aero Precision Upper Receiver 16' 12.7x42 4150 CMV 1-20T Heavy Barrel 15' M-Lok Handguard (Assembled or Unassembled)

DD Custom Arms "Ritro" AR-15 Featuring Aero Precision Upper Receiver 16" 12.7x42 4150 CMV 1-20T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)

On sale: $519.99 $284.99
Retail Price$519.99
You Save:$235.00(45%)
Part Number: PI-31966
Availability: In Stock.

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DD Custom Arms "Ritro" AR-15 

Featuring Aero Precision Upper Receiver 

16" 12.7x42 4150 CMV 1-20T Heavy Barrel 

Premium 15" M-Lok Handguard

(Assembled or Unassembled)

It Has Been Said That Great Things Come In Small Packages, But It Can Be Argued That Even Better Things Come In Even Larger Packages. Well, The 12.7x42mm Caliber Aims To Argue That Point Well. The Intent Of Designing This Round Was To Provide Superior Stopping Power At Short To Medium Range Over The 5.56 NATO Round. You Could Say That They Hit The Target With This Round. Compatible With Ammunition, The 12.7x42mm Packs A Heavy Punch. Being The Largest And Heaviest Round Compatible With The AR-15 Platform, It Will Take Down Any Large Game Found In North America As Well As Taking Vehicles Out Of Play.

This Kit Features Aero Precision XL Engraved Upper Receiver W/ An Enlarged Ejection Port To Reliably Cycle The Larger Shell Casings. Upper Receiver Does Have "XL" Laser Engraved On Top Rail. Forged From 7075-T6 Aluminum, This Stripped Upper Is Precision Machined To Mil-Spec M16/M4 Specifications And Features M4 Feedramps. Match This Upper With One Of Our AR-15 Lower Receivers For A Solid And Dependable Fit.

This 12.7x42mm XX-Treme"Wrecking Ball" Barrel Is Machined From Cryo Treated 4150 CMV And Comes In A 16" Length And Is Finished With Manganese Phosphate For Extra Durability. This Wrecking Ball Lives Up To Its Name By Being Compatible With Ammunition, Having A Heavy Barrel Profile, Is Equipped With A Carbine Gas Length Ins A .936 Diameter, And Has A 49/64x20 Thread Pitch.

The AIM Sports. 15" Free Float M-Lok Handguard Allows You To Comfortably Grip Your Rifle With Various Shooting Positions And Securely Mount A Variety Of Accessories. Made Of Aircraft Grade 6061 T6 Aluminum. Finished In Type III Mil-Spec Type Anodized Finish.

This Upper Features A Recoil Technologies 12.7X42 ( cal) Spiral Cut Flash Hider. This Muzzle Device Is Easy To Install And Fits Standard 49/64x20 Thread Barrels (Fits 12.7x42 or Cal Barrels). Made From 4150 CMV With A QPQ Nitride Finish, This Device Is Designed To Reduce Muzzle Flash.


Barrel MFG: XX-Treme Barrel Company
Barrel: 16" 12.7x42mm 4150 CMV Manganese Phosphate Heavy Barrel
Twist Rate: 1-20T
Thread Pitch: 49/64x20
Gas System Length: Carbine
Upper: Aero XL AR-15 Upper Receiver W/ Enlarged Ejection Port
Handguard: AIM Sports 15" Free Float M-Lok
Gas Block: .936 Slim Low Profile Steel Gas Block
Gas Tube: Tactical Superiority Stainless Steel Carbine Gas Tube
Muzzle Brake: Recoil Technologies Spiral Cut Flash Hider 49/64x20
Forward Assist: DPMS AR-15 Forward Assist Assembly
Ejection Port Door: DPMS AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 4lb 1oz

Please note: If the listing says "In-Stock" it means we have all of the items in stock. Our assembled upper receivers are made to order, please check this LINK to view our most up to date shipping status.


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