Antique Cartridge Works

A Note on This Document

Antique Cartridge Works produces period-authentic combustible, paper, foil, and transitional-era cartridges for Curio & Relic collectors, antique firearms owners, black powder enthusiasts, and students of 19th-century arms history. Our products are fabricated to original documented specifications using period-correct materials and construction methods.

The commercial production and sale of functional historical cartridges designed exclusively for pre-1899 antique firearms occupies a regulatory space that has been widely misunderstood. The conventional assumption — that such production categorically requires a federal ammunition manufacturer's license under the Gun Control Act — has suppressed an entire legitimate market for over fifty years without ever having been seriously examined against the statutory text.

Antique Cartridge Works has conducted that examination. The analysis below sets out the statutory basis on which we operate, the administrative record supporting our interpretation, and the good-faith legal reasoning underlying our commercial activity. We make this analysis publicly available because we believe transparency serves everyone — our customers, the collector community, and any regulatory authority that may have occasion to consider our operations.

We welcome engagement from anyone — including the Bureau of Alcohol, Tobacco, Firearms and Explosives — who is aware of formal administrative record evidence, determination letters, court decisions, or agency guidance that bears directly on the statutory interpretation presented here. If such evidence exists and is contrary to our analysis, we want to know about it. Our contact information is available on this website.

The Statutory Chain

The Gun Control Act of 1968 defines its key terms in 18 U.S.C. § 921(a). These definitions interlock in a way that is directly relevant to historical cartridges produced exclusively for antique firearms.

Reading these three definitions together produces a logical chain with a clear conclusion. Ammunition is defined as something designed for use in a firearm. Antique firearms are excluded from the definition of firearm. Therefore, a cartridge designed exclusively for a firearm that meets the antique definition is designed for use in something that is not a firearm under the statute. The ammunition definition's firearm element cannot be satisfied by reference to an antique.

This is not a strained reading. It follows directly from applying the definitions as written. The Martini-Henry was manufactured before 1899. The original foil cartridge it was designed for is no longer manufactured in the United States and is not readily available in ordinary commercial channels. The Chassepot needle-fire cartridge satisfies the same criteria. Under a plain text reading of the interlocking definitions, cartridges designed exclusively for these firearms are not ammunition as the GCA defines that term.

The Supreme Court has confirmed the controlling interpretive principle: when Congress defines a term, that definition governs throughout the statute. Taniguchi v. Kan Pacific Saipan, 566 U.S. 560 (2012). The Court applied the same principle to GCA definitions specifically in Staples v. United States, 511 U.S. 600 (1994).

The Administrative Record

Specialist dealers have sold original loaded antique cartridges — functional Chassepot rounds, pinfire ammunition, Maynard cases, and similar items — openly at major firearms shows, through published catalogs, and via commercial websites throughout the entire period since the GCA's enactment in 1968. This commercial activity is sufficiently visible that ATF awareness is essentially certain.

This sustained, visible commercial activity has not attracted enforcement action across more than fifty years of operation. Under the principle established in Skidmore v. Swift & Co., 323 U.S. 134 (1944), consistent agency non-enforcement of openly conducted commercial activity constitutes persuasive evidence of the agency's own statutory interpretation.

The entire muzzleloading industry — including large commercial suppliers of black powder and percussion caps — operates without GCA ammunition manufacturer licensing. The ATF has never asserted that percussion caps constitute "primers" requiring licensed manufacture under the GCA. This consistent posture confirms that the antique firearm ecosystem sits outside the GCA ammunition framework, and transitional-era cartridges for pre-1899 antique firearms are logically situated in the same space.

Good Faith and the Rule of Lenity

Antique Cartridge Works does not operate on the assumption that the regulatory question presented here is entirely without ambiguity. We operate on the conclusion that the statutory text, the administrative record, and applicable principles of statutory construction together support the permissive reading we have articulated — and that this reading is at minimum as plausible as any restrictive alternative.

Where a criminal statute is genuinely ambiguous, the rule of lenity requires that ambiguity be resolved in favor of the defendant. United States v. Bass, 404 U.S. 336 (1971). The antique firearm nexus argument identifies a genuine textual ambiguity. The lenity canon provides a constitutional backstop requiring that ambiguity to be resolved in our favor rather than the government's.

We make this analysis public rather than relying on it privately because we believe that an operation whose legal reasoning is openly stated and available for scrutiny is better positioned — legally, commercially, and reputationally — than one that operates in silence. We are a small specialist manufacturer serving a legitimate collector and reenactment market. We have no interest in regulatory confrontation and every interest in operating transparently within the law as correctly understood.

If the Bureau of Alcohol, Tobacco, Firearms and Explosives has a contrary view of the statutory analysis presented here, we would welcome formal engagement. A determination letter addressing the antique firearm nexus argument as applied to pre-1899-specific functional historical cartridges would serve the interests of the collector community and the regulatory clarity that benefits everyone. We are prepared to participate in that process.