4 Position Detent - feature allows 180 degrees of motion of the Brass Catcher frame.Does not make noise when contacted by other objects like a branch or wall as you pass by. Also does not create any resonance so you get none of that extra noise that solid aluminum or plastic boxes are known for. No Extra Noise! - None of that annoying “box” noise… Rigidly flexible design allows the brass catcher to absorb impact when encountering tight spaces during CQB.Unobstructed View - of ejection port area with brass catcher in place allowing the shooter to make the “next decision” faster during a stoppage/malfunction.Will not interfere with your choice of optics or mounts.Minimal Profile - for cqb/aviation/maritime operations.Throw Lever Mount - Utilizes a true locking throw lever mount,no tools required for adjustment on both in-spec and out of spec picatinny rails. (TBR uses the highest quality mounts in the industry.).Gas Venting - TBR design allows spent gasses to vent upwards and away from the shooter instead of being bottled up and squeezed out toward the shooter.NO Brass catcher related malfunctions - regardless of cyclic rate (dont try that with your brass catcher).Folding Design - TBR design allows the brass catcher to be folded up and stored on the rifle space permitting.BAG CAPACITY: Holds 200 or More 9mm cases.

Tactical Brass Recovery’s Gen 1/Gen 2 Sig Sauer MPX Brass Catcher is a feature driven shell catcher specifically for the MPX, including 4 position detent 180 degree motion, gas venting, throw lever mount, and NO brass catcher related malfunctions.

9mm brass catcher