SLR-107UR SBR Quad-Rail

SLR-107UR SBR - Factory SBR, 7.62 caliber, stamped receiver, short gas system, front sight block / gas block combination..

Not rated yet
  • Weight
    7 lbs
  • SKU
    SLR107-55R

Factory SBR, 7.62 caliber, stamped receiver, short gas system, front sight block / gas block combination, 24x1.5mm right-hand threads, may ship with Bulgarian 4-piece or cone flash hider, left-side folding black polymer buttstock, 2-stage trigger, cleaning rod, 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
    Arsenal
  • caliber:
    7.62 x 39 mm
  • total length:
    733 mm (28 7/8 in.)
  • folded length:
    492 mm (19 3/8 in.)
  • barrel length:
    216 mm (8 1/2 in.)
  • rifling:
    4 grooves
  • twist rate:
    1 in 240 mm (9.44 in.)
  • weight w/o magazine:
    2.79 kg (6.1 lbs.)
  • muzzle velocity:
    710 m/s (2,329 fps)
  • effective range:
    500 m (547 yds)
  • maximum range:
    1,350 m (1,480 yds)
  • rear sight range:
    500 m (547 yds)
  • rate of Fire:
    40 rds/min (practical)