Archival record: Specifications and condition reflect the firearm as listed at the time of auction.
Final Auction Price: $3,025.00
Built around the SIG Sauer MPX platform and customized by Taran Tactical Innovations (TTI), this 9mm semi automatic rifle combines the MPX's gas piston operating system with specialized competition oriented components. The rifle features a 16 inch barrel measurement including a permanently attached muzzle brake, Lancer carbon fiber handguard, Hiperfire Eclipse trigger, and Radian charging handle. Configured for California compliance with a fixed stock, grip fin, and 10 round magazine, it is also equipped with a Trijicon MRO reflex sight and Streamlight TLR-7X weapon light. Retaining approximately 97 percent of its original metal finish, this customized MPX remains in Fine condition with a bore rated 10 out of 10.
Identification
MMA#: 260808SC001
Make: SIG Sauer
Customization: Taran Tactical Innovations (TTI)
Model: TTI MPX
Serial Number: 62B050722
Production Period: 2019–Present, as stated in the original listing
Caliber: 9mm Luger (9×19mm)
Action Type: Gas Piston Operated Semi Automatic Rifle Fed by Detachable Magazine
Barrel Length: 16 Inches Including Permanently Attached Muzzle Brake
Receiver Finish: Black Anodized
Barrel Finish: Black Nitride
Configuration: California Compliant Featureless Configuration, as cataloged
Sights / Optics
The upper receiver features a full length Picatinny optics rail.
A Trijicon MRO reflex red dot sight is installed using a Reptilia mount.
The optical view is clear, and the illumination adjustment knob functions correctly.
The oversized battery compartment screw exhibits evidence of use.
A Streamlight TLR-7X weapon light is mounted ahead of the optic. The light functions correctly, including both rear activation switches.
Stock Configuration & Condition
The rifle features a Lancer 16 inch carbon fiber handguard with M-LOK accessory slots and TTI silicon carbide grip texturing.
The handguard exhibits a few small scrapes and an area of paint transfer.
A grip fin has been installed on the pistol grip as part of the California compliant configuration. One grip fin screw is missing, and the remaining screws exhibit evidence of use.
The VLTOR adjustable stock has been fixed in position.
A thin pad has been adhered to the top of the buttstock and exhibits moderate wear. The rear recoil pad shows light wear.
Length of Pull: 13 7/8 Inches
Overall stock and furniture condition: Fine.
California Compliant Configuration
At the time of cataloging, the rifle had been configured with the following California compliance features:
VLTOR stock fixed in place
Grip fin installed on the pistol grip
SIG Sauer magazine limited to 10 rounds
Muzzle brake permanently attached by pinning and welding
The original listing describes the rifle as California compliant. One grip fin screw is missing, as documented in the condition report.
Finish & Overall Condition
Receiver Finish: Black Anodized
Barrel Finish: Black Nitride
Finish Originality: Original
This rifle retains approximately 97 percent of its original metal finish.
The upper and lower receivers exhibit scattered scuffs and a few light scrapes.
The upper edge of the ejection port shows finish thinning and small dings consistent with contact from ejected cartridge cases.
Two small weld areas associated with the permanently installed muzzle brake exhibit discoloration.
The action shows operational wear, and the receiver pins exhibit light evidence of use.
The factory and component markings remain clear and legible.
Overall condition: Fine.
Bore & Mechanics
Bore Condition: The rifling lands are bright, while the grooves appear semi bright due to fouling.
The rifling remains sharp and deep, with no observed erosion.
In the original evaluator's opinion, the bore rates 10 out of 10.
Mechanics: The action functions correctly during mechanical evaluation.
The rifle was not test fired.
Box, Paperwork & Accessories
Installed components and included accessories consist of:
Trijicon MRO reflex red dot sight
Reptilia optic mount
Streamlight TLR-7X weapon light
Bronze bolt carrier group
Hiperfire Eclipse tuned trigger
Lancer 16 inch carbon fiber handguard with TTI silicon carbide texture
Radian Raptor-LT charging handle
TTI Ultimate MPX magwell
Permanently attached muzzle brake
VLTOR stock fixed in position
One SIG Sauer magazine blocked to a 10 round capacity
The magazine appears to function correctly during mechanical inspection.
Our Assessment
The SIG Sauer MPX introduced a distinctive approach to the pistol caliber carbine, combining 9mm chambering with a short stroke gas piston operating system and modular rifle style controls. Unlike many pistol caliber carbines that rely on conventional blowback operation, the MPX uses a mechanically locked action, distinguishing it from other designs in its class.
Taran Tactical Innovations, founded by competitive shooter Taran Butler, became particularly well known for modifying firearms for competitive shooting applications. The company's work with the MPX emphasized specialized triggers, enhanced controls, magazine handling components, and lightweight furniture. The platform also gained broader recognition through its association with John Wick: Chapter 3 – Parabellum, released in 2019, in which TTI firearms and training played a prominent role.
This example incorporates several notable TTI associated components, including a Hiperfire Eclipse tuned trigger, TTI Ultimate MPX magwell, bronze bolt carrier group, and textured Lancer carbon fiber handguard. A Radian Raptor-LT charging handle, Trijicon MRO sight, and Streamlight TLR-7X light complete the documented configuration.
The rifle has been modified into a California compliant configuration, with a fixed VLTOR stock, grip fin, 10 round magazine, and permanently attached muzzle brake. The original listing reports 97 percent remaining metal finish, a bright bore rated 10 out of 10, and Fine overall condition. Cosmetic wear is present around the ejection port and receiver, while a missing grip fin screw is specifically documented.
This customized MPX illustrates the intersection of modern pistol caliber carbine engineering, competitive shooting modifications, and state specific firearm configurations. Its distinctive selection of components and documented condition make it an informative example of the aftermarket development surrounding the SIG Sauer MPX platform.
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Every firearm featured in the Mt. McCoy Auctions Vault is professionally photographed, carefully cataloged, and thoroughly documented to preserve its history and condition. Our archival records provide collectors with detailed information regarding originality, condition, mechanical function, and historical significance, creating a lasting resource long after each auction has concluded.
