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Semi-auto rifles

Arsenal SLR-104UR

Arsenal SLR-104UR — documented specs for the SLR104-51: caliber 5.45x39, barrel length 415 mm (16.34 in), overall length 876 mm (34.49 in), weight 2.79 kg (6.15 lb). The source for each figure is listed below the specs (catalog as of 10/16/2026).

Category
Semi-auto rifles
Classification (DE)
Depends on the configuration
Era
Present (from 1991)
Origin
Bulgaria
Calibers
5.45x39

A gun counts as a handgun (Kurzwaffe) if barrel and breech together measure no more than 30 cm or its shortest length in proper use is no more than 60 cm – barrel length and stock (fixed, folding or telescoping) of the individual configuration decide. German WaffG, Annex 1 Sec. 1 Subsec. 1 No. 2.5.

Also known as: SLR104-51 · SLR104-57R · SLR104-58


Specifications

Action
Gas operated
Barrel length
415 mm (16.34 in) · SLR104-51
Overall length
876 mm (34.49 in) · SLR104-51stock unfolded
Weight
2.79 kg (6.15 lb) · SLR104-51

Sources

Specifications come from the source cited alongside them; counts are based on our catalog as of the date stated. Not legal advice: what follows from these figures in a given country is decided by that country’s law. Waffenschrank is not affiliated with the manufacturers named.



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