Regulating seating depth and the resulting ?jump? to the rifling is widely regarded as fundamental to improved accuracy. A few thousandths of an inch change between the bullet and the rifling can make the difference between average accuracy and real tack-driver performance. The Lock-N-Load O.A.L. Gauge is universally acclaimed as the most accurate easy-to-use and reliable method of obtaining that critical relationship.
To use the Lock-N-Load O.A.L. Gauge you will need the Modified Case to fit your firearm?s chamber and thread it onto the gauge. These specially prepared modified cases are threaded at the case-head and have a .002″ oversized neck to accept the same bullets you intend to load. This is critical as the Lock-N-Load O.A.L. Gauge dimensions obtained will be accurate to .001″. These results cannot be attained with competitive products which use a simulated bullet with an arbitrary shape.
Hornady Lock-N-Load Modified Case “C” Series .338 Lapua
$15.00
48 in stock
BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.
The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.
We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.
Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.
Yes. We partner with trusted suppliers to provide quality products and reliable sourcing.
Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.
We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.
We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.
Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.
Yes. Depending on the request, we can help source specific products or assist with custom configurations.
Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.
Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.
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