You have no items in your shopping cart.

DSG Complete 8" 5.56 Duty Series Upper w/ 7" BCM M-LOK Rail & MI Blast Can

Manufacturer: DSG Arms
SKU: DSG-4303-0095
Manufacturer part number: DSG-4303-0095
In stock
+ -

Login for Special Pricing

Complete Upper Features:

Upper is Mil-Spec upper receiver with M4 feed ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized. The barrel is 4150 chrome moly vanadium steel with 1:7 twist, 8″ with .556 chamber, button rifled, MP & HPI tested, carbine gas system, Nickel Boron coated barrel extension, and a MI Blast Can. The barrel has been dimpled to ensure the gas block does not move. Gas Port Hole: 0.0785

Barrel Specs:

  • 5.56mm Chamber
  • 4150 Chrome Moly Vanadium steel
  • QPQ Coated Barrel
  • Nickel Boron coated barrel extension
  • M4 feed ramps
  • 1:7 twist rate
  • 1/2x28 muzzle threads
  • HP & MPI tested
  • .750” gas block seat
  • Weight: 1.10
  • Profile: Heavy
  • 11 Degree Recessed Target Crown
  • Button Rifled
  • Pistol-length gas system


The MCMR Series of handguards gives the shooter modularity in the M-LOK® platform.

  • MCMR features M-LOK® Compatible mounting system.
  • Free Float Handguard eliminates loads from the barrel, reducing the deflection for more accurate shooting.
  • Precision Machined Aerospace 6061-T6 Aluminum Alloy, for high strength and lightweight.
  • Proprietary engineered profile offers additional cross-sectional strength.
  • Steel Barrel Nut same KMR, MCMR, and QRF series, to resist movement under heat.
  • Hard Coat Anodized per Mil-A-8625F, Type III, Class 2
  • Handguard alone weighs 4.8 oz
  • Handguard mounting hardware 2.3 oz
  • 1.3” Inside Diameter
  • 1.5" Wide

One nylon picatinny rail section and one QD sling attachment is also included.

Note: Nylon/Polymer Picatinny rail sections are for NON-load bearing accessories only grips, hand stops, light mounts. For load bearing accessories bipod mounts, sling mounts, vertical grips, barricade supports, we recommend aluminum Picatinny rail sections. Do NOT exceed 20 in/lbs. when securing fasteners on Polymer accessories. Aluminum Picatinny rail sections may be torqued to 30 in/lbs.

MI Blast Can

The Midwest Industries MI-BC556 Blast Can 1/2x28 5.56mm is the ideal solution for anyone looking to tame blasts from pistols or short-barrelled rifles. The clever design directs the sound away from the shooter for an improved shooting experience. 

This Midwest Industries Blast Can is made entirely in the USA of high-grade 6061 aluminum, offering the ideal balance between lightweight and durability. The blast can has an attractive black anodized finish that provides a discreet profile while also enhancing the durability of the unit.

Midwest Industries designs the unit for a lifetime of service. It will survive field operations for at least as long as the high-quality firearm you fit it to and usually longer. This blast can is part of a series by Midwest Industries designed to fit a wide variety of barrels and threads. 

Features of the Midwest Industries Blast Can 1/2x28 5.56mm

  • Tame blasts, giving a more pleasant shooting experience
  • Made in the USA and features as black-anodized 6061 aluminum body
  • Long-lasting - designed for a lifetime of service
  • Directs muzzle blast forwards
  • Ideal for short-barreled rifles and pistols


  • Directs muzzle blast forward on short barrel rifles and pistols. Does not reduce recoil or flash.
  • Constructed from 6061 aluminum, and hard coat anodized for a lifetime of service
  • 1/2-28 threads for 5.56/.223/9mm rifles
  • Includes new crush washer
  • Overall length of 3.375
  • Outside diameter 1.2
  • Weight 3.2 oz
  • 100% made in the U.S.A.


DSG Complete Duty Series Uppers are assembled and test fired by DSG armorers. Ready for field use*.

More on DSG Complete Upper Assembly Process and Verification process are available in the Blog section of our website.

*We Recommend DSG Standard and Enhanced Bolt Carrier Groups for guaranteed trouble-free and reliable performance. Charging handles come in many variations and all quality makes and models should work fine with our complete uppers.

Note: Does NOT include a bolt carrier group and charging handle.

Customers who viewed this item also viewed

Login for Special Pricing


Login for Special Pricing


Login for Special Pricing