SLR-104UR SBR Quad-Rail

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  • Weight
    7 lbs
  • SKU
    SLR104-57R

SLR-104UR SBR - 5.45x39.5mm caliber, Stamped receiver, short gas system, front sight block / gas block combination, chrome lined hammer forged Short Barrel, cleaning rod, black polymer furniture, stainless steel heat shield, left-side folding Metal stock, 2 stage trigger, and scope rail.

The PR-03 Picatinny Quad Rail Handguard System was designed and manufactured to meet and exceed the following stringent military requirements:

  • Ability to accept cleaning rod with the rail system installed achieved with stainless steel internal guide rail
  • To easily align the rail system with both milled and stamped receivers achieved with a pair of precision machined tabs
  • Ability to constrain debris from entering into the receiver from under-rail openings achieved with sealing caps of the rail system
  • Minimize weight, while providing maximum strength achieved with the triangular support design and utilizing aircraft grade durable aluminum material
  • Providing the maximum number of rails achieved with optimum design with 14 rails on the bottom and the sides, and 9 rails on the top
  • Identification marks for repeat attachment of devices achieved with clearly marked numbering system on all 4 sides
  • Provide comfortable grip to the shooter achieved with compact system profile and smooth finish
Picatinny Quad-Rail System for attaching Lasers, Flashlights, and Optics.

  • Manufacturer
    Bulgarian
  • caliber:
    5.45 x 39.5 mm
  • total length:
    733 mm (28 7/8 in.)
  • folded length:
    216 mm (8 1/2 in.)
  • barrel length:
    492 mm (19 3/8 in.)
  • rifling:
    4 grooves
  • twist rate:
    1 in 200 mm (7.87 in.)
  • weight w/o magazine:
    2.79 kg (6.1 lbs.)
  • muzzle velocity:
    900 m/s (2,953 fps)
  • effective range:
    500 m (547 yds)
  • maximum range:
    1,350 m (1,480 yds)
  • rear sight range:
    500 m (547yds)
  • rate of Fire:
    40 rds/min (practical)