The Mk 13 Mod 7 is the U.S. Navy's current .300 Winchester Magnum bolt-action sniper rifle, fielded by NSWC Crane to SEAL and MARSOC precision shooters. This is a fully authenticated Mod 7 deployment kit, assembled in partnership with Potomac Armory and Red Bull Armory — the shop run by Chris Higgins, the gunsmith who designed the Mod 7 during his tenure at Crane.
The build starts with a Stiller Tac 300 action bedded in an Accuracy International AICS chassis, Schneider match barrel, AAC Cyclone-pattern muzzle brake cut for the proper suppressor mount, and every small part specified to the Crane drawing package. Factory-correct Mk 13 Mod 7 — not a tribute, the actual configuration.
The kit ships in a hard deployment case with spares, a cleaning kit, and the documentation Crane issues with each rifle. Quantities are strictly limited because Chris builds them one at a time.
If you want the sniper rifle MARSOC Raiders and SEAL snipers are carrying right now, this is how you own one. Serious inquiries only — this is an investment-grade rifle for collectors and end users who understand what they are looking at.
| Component | Specification |
|---|---|
| Action | Stiller Tac 300 (Rem 700 footprint) |
| Chassis | Accuracy International AICS folding stock |
| Barrel | Schneider Match Grade, 26", threaded for AAC |
| Caliber | .300 Winchester Magnum |
| Muzzle Device | AAC Cyclone-pattern brake (QD suppressor-ready) |
| Case | Hard deployment case — Crane-issue configuration |
| Includes | Spares kit, cleaning kit, Crane documentation package |
Chris Kyle primarily used the earlier Mk13 Mod 5 during his Iraq deployments. The Mod 7 is the updated version developed after Kyle's service — it features the AICS chassis, Stiller action, and Schneider barrel and became the platform for SEAL Team Six and MARSOC in the post-2010 era. The Mod 5 Kyle used is the predecessor; the Mod 7 is the rifle that followed in NSW service.
.308 goes transonic around 800–900 meters. The .300 Win Mag stays supersonic past 1,200 meters with more energy and better wind resistance — essential for the extended-range precision work NSW snipers require. The logistics tradeoff is worth it at the distances where this rifle is used.
Effective precision range is 1,200+ meters. The .300 Win Mag from a 26" Schneider barrel stays supersonic past 1,400 meters under standard conditions, with documented shots in Afghanistan beyond 1,500 meters. Sub-MOA accuracy is required by the Crane military specification.
Also Available
→ Mk13 Mod 7 Rifle Only — full component spec guide, complete PAA reference, and optics pairing guide on the rifle-only listing.
→ Nightforce Optics at CCC — NXS and ATACR for Mk13-correct configurations.
Accuracy Int'l (AI)