Rock River Arms LAR-15M X-1 Rifle
Rock River Arms LAR-15M X-1 Rifle — documented specs: caliber 5.56x45 NATO · .223 Rem., barrel length 457 mm (17.99 in) (X-1 18″), overall length 978 mm (38.5 in) (X-1 18″, Operator A2). The source for each figure is listed below the specs (catalog as of 10/16/2026).
- Category
- Semi-auto rifles
- Classification (DE)
- Long firearm
- Era
- Present (from 1991)
- Origin
- United States
- Calibers
- 5.56x45 NATO · .223 Rem.
Derived from design and catalog dimensions under the German WaffG, Annex 1 Sec. 1 Subsec. 1 No. 2.5; the individual gun is what counts.
Also known as: RRA X-Series X-1 · X-1 Rifle
Specifications
- Action
- Gas operated
- Barrel length
- 457 mm (17.99 in) · X-1 18″
- Overall length
- 978 mm (38.5 in) · X-1 18″, Operator A2
- rockriverarms.com — product page LAR-15M X-1 Rifle Black with Operator A2 Stock
Sources
- rockriverarms.com — product page LAR-15M X-1 Rifle Black with Operator A2 Stock
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.
Other models in 5.56x45 NATO
Models from other manufacturers in the same caliber, drawn from the catalog in no particular order — not a recommendation and not a comparison of specs.
- Semi-auto riflesSIG Sauer SIGM400
- History & service armsZastava M21
- Semi-auto riflesBushmaster Bravo Zulu
Related
- Calibers of this model5.56x45 NATO
- Calibers of this model.223 Rem.
- Related modelsRock River Arms LAR-15M All Terrain Hunter
- Related modelsRock River Arms LAR-15M Ascendant ATH
- Gun catalogAll models by Rock River Arms
- KnowledgeInventory, valuation and insurance
- KnowledgeGuides
Catalog as of