Sig Sauer MCX Spear LT 11.5″ 5.56 Nato PMCX-556N-11B-LT Semi Auto Pistol
SOLD OFR: $1,825.00
LSB#: LSB251115KN010
Make: Sig Arms Inc.
Model: MCX Spear LT, PMCX-556N-11B-LT
Serial Number: 63J014346
Year of Manufacture: Modern
Caliber: 5.56 Nato
Action Type: Semi-Automatic, gas piston operated, full ambi pistol fed by detachable AR pattern magazines.
Markings: The left side of the lower receiver is marked “SIG MCX MULTI-CALIBER SIG SAUER INC. / NEWINGTON /NH USA / 63J014346”. The barrel is marked “5.56 NATO 1/7”. Both sides of the pistol grip are marked “SIG SAUER”.
Barrel Length: 11.5″, 13″ with the three prong flash hider. Threaded 1/2×28 tpi.
Sights / Optics: The top of the pistol has a 16” picatinny rail for the mounting of optics and accessories.
Stock Configuration & Condition: The furniture set on this pistol includes a 9″ M-LOK forend, Sig pistol grip, two qd cups and a picatinny rail at the rear of the lower receiver. The forend shows carbon, scratches and rub wear from use. The pistol grip shows some minor wear from use. The picatinny rail shows some rub marks most likely from a previously installed brace. Overall the furniture is in Good+ condition.
Magazine Quantity and Condition: This pistol includes one 30 Round, Magpul PMAG AR pattern magazines in Very Good+ Condition.
Type of Finish: Coyote
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. The feed ramps are smooth showing carbon fouling from use. The case deflector shows minor brass marks. In this writer’s opinion the bore rates 9.25/10.
Overall Condition: This handgun retains 96% of its metal finish. There are rub marks and carbon fouling scattered throughout the pistol. It is this writer’s opinion that a good portion of the visible marks on the pistol should be able to be removed with a thorough cleaning. The inside of the action is very carbon fouled. The markings are clear and the pins un-marred. Overall this pistol is in Very Good condition.
Mechanics: The action functions correctly. We did not fire this handgun. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This pistol includes the 30 round PMAG, serialized cardboard box, manual, cable lock with keys, and SIG chamber flag.
Our Assessment: The SIG Sauer MCX Spear LT pistol, model PMCX-556N-11B-LT, represents the lightweight evolution of the MCX platform, designed to deliver duty-grade performance in a compact, modern package. Chambered in 5.56 NATO and built around SIG’s short-stroke gas piston system, the Spear LT improves upon earlier MCX designs with weight reductions, refined balance, and enhanced durability while retaining full ambidextrous controls.
This pistol configuration features an 11.5″ barrel, making it highly maneuverable while still providing excellent ballistic performance for its size. The MCX’s monolithic upper, free-float handguard, and bufferless design allow for folding braces or compact configurations without sacrificing reliability. Overall, the MCX Spear LT pistol is a cutting-edge 5.56 platform that blends military-driven design, modularity, and SIG’s top-tier manufacturing into a highly capable and modern firearm. Please see our high quality photos via the link and best of luck with your bidding!!!-R.L.
