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Semi-auto rifles

Daniel Defense DDM4 ISR

Daniel Defense DDM4 ISR — documented specs: caliber .300 AAC Blackout, barrel length 229 mm (9.02 in), overall length 800–883 mm (31.5–34.76 in). 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
United States

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.

Specifications

Action
Direct impingement
Barrel length
229 mm (9.02 in)
Overall length
800–883 mm (31.5–34.76 in)Depending on variant · stock length adjustable

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.

Other models in .300 AAC Blackout

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.

Related

Catalog as of