9SDM-B SBR
Brands: PTR
about:
Built around a 6” barrel and a continuous extended top rail, the PTR 9SDM-B emphasizes system-level suppression, optic flexibility, and accessory density.
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PTR 9SDM-B 9X19MM
SBR WITH CS1 COLLAPSIBLE STOCK
The PTR 9SDM-B is a factory-configured, semi-automatic 9×19mm short-barreled rifle that integrates a collapsible stock and suppressor into a single, cohesive system. Sold as an SBR with the PTR CS1 collapsible stock and the new Vent™ SDM suppressor installed, it delivers a compact MP5-pattern platform optimized for suppressed operation from the start.
The specially-engineered slots in the barrel’s rifling grooves port off gas, reducing supersonic bullet velocity to subsonic. This design also prevents bullet-jacket damage, minimizes fouling, and allows far easier cleaning than traditional SD firearms. The ported gas flows into the 9SDM’s pre-suppressor, which PTR calls the USDA (Universal SD Adapter). The USDA is designed to capture and slow high-pressure ported gas before it enters the suppressor. For increased modularity, the USDA is threaded to accept both HUB Alpha and HUB Bravo suppressor thread patterns.
The 9SDM-B includes the new purpose-built PTR VENT™ SDM suppressor (threaded HUB-B 1.375-24). The VENT SDM suppressor was designed specifically for ultimate sound suppression when paired with the 9SDM. The VENT SDM is manufactured using 3D-printed titanium, utilizing innovative Purposely Induced Porosity™ (PIP) technology, and protected by a DLC coating. The VENT SDM excels at reducing sound signature and back pressure while preserving the balance and smooth recoil of the 9SDM.
The platform also features a full-length Picatinny rail, Removable M-Lok® forend, metal MagPul® backup sights, and an extended charging handle (threaded to accept most Remington 700 pattern bolt knobs). The 9SDM represents the next evolution of the SD platform, engineered for shooters who demand the highest level of performance without compromise.
SPECS
| CALIBER | 9 x 19mm |
| ACTION | Semi-automatic (Host ready for NFA-registered, auto sear pack) |
| CARRIER | Nitride heat treated, tungsten dead-blow weighted, full-auto bolt carrier |
| COLOR | Black |
| FINISH | Powder coated over Parkerizing |
| BARREL | 6″ Nitride heat treated, 3-lug and threaded 1/2″ x 28, twist 1 in 10″ RH |
| BARREL OAL | 5.74″ |
| OPTIC MOUNT | 13.2″ Steel picatinny rail |
| HANDGUARD | Mil-spec anodized aluminum M-LOK® – Three rows of three M-LOK® compatible attachment points to mount accessories |
| LENGTH | Stock Extended, 28.75″ Stock Collapsed 22.75″ |
| MAGAZINE | 30-Round, Steel |
| TRIGGER PULL | 9-10lb |
| STOCK | PTR CS1 |
| WEIGHT (DRY) | 7.12lb |
| CASE | Heavy duty range case with contoured foam insert |
| TRIGGER HOUSING INDICATOR | 2-Position |
| INCLUDES | MagPul® MBUS Pro® Steel Front and Rear Sight, 2 Magazines, trigger cable lock |
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