Sabre Defense M16A4 Upper NOS


Out of stock

Out of stock

SKU: SDUPPER Categories: ,


Sabre Defense manufactured USGI M16A4 factory original uppers; Charging Handle and BCG not included. These upper assemblies are in NOS condition with some minor handling marks. The upper includes a FNMI marked USGI 20″ cold hammer forged barrel chrome lined with 1/7 twist, a P&S Products Co. M5 RAS Picatinny hand guard assembly (Licensed USGI production) with rail covers, and a Matech 600 meter rear sight. These uppers are identical to those issued to the USMC. A great place to start in building a first rate M16A4 modern battle rifle.



  • Barrel Length: 20″
  • Gas System: Rifle length
  • 1:7 twist rate
  • Chrome Lining: Yes
  • Muzzle Thread: 5/8-24
  • Chamber: 5.56×45 NATO
  • Gas Block: Standard Front Post gas block/sight
  • Muzzle Device: A2 Flash Hider
  • Handguard Type: P&S Products Co. M5 RAS

Additional information

Weight 5 lbs
Dimensions 32 × 5 × 6 in


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