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Featured Gun Classifieds Sig Sauer Rifles - MCX
GI#: 103382374
Like new Sig Sauer MCX-R chambered in 7.62x39 with a Eotech Holographic sight and an Olight Odin with pressure plate . Rifle is practically brand new after talking with the owner he stated that he ha ...Click for more info
Seller: Foothill Firearms
Area Code: 916
$4,049.00
Sig Sauer Rifles - MCX
NEW TODAY!
Sig Sauer Model MCX Virtus chambered in 5.56x45 Millimeter NATO with a 16 inch threaded barrel, mirror-shine bore with immaculate rifling in excellent working order. Included with this firearm is a so ...Click for more info
Seller: DURYS GUN SHOP
Area Code: 210
$2,799.99
NEW THIS WEEK!
Guns Listing ID: 600534SIG SAUERMCX RATTLER LT.300 BLACKOUTNEW IN BOX6.75\" BBL30+11 MAGORIGINAL BOX, MANUAL, AND GUNLOCKFOLDING BRACE ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,535.99
"SN: 68C007037. Modern production, 7.62 NATO with a 16"" barrel. Bore is bright with strong rifling. Semi-auto tactical rifle with a Trijicon ACOG 3.5x35 scope w/red chevron reticle &am ...Click for more info
Seller: Collectors Firearms
Area Code: 832
$4,995.00
GI#: 103381237
Sig Sauer MCX-R chambered in 5.56 nato shot less that 100 rounds Rifle comes with a Trijicon ACOG and a Trijicon RMO6 red dot mounted to the top of the ACOG Rifle also comes with a Olight Odin S ...Click for more info
Seller: Foothill Firearms
Area Code: 916
$5,800.00
The Sig MCX Reg RX2 Rifle in 5.56 is a second-generation MCX platform focusing on modularity and reliability. A short-stroke gas piston system ensures consistent cycling under various conditions, and ...Click for more info
Seller: United Patriot Supply
Area Code: 785
$3,499.99
This Sig Sauer MCX semiautomatic rifle is chambered in 5.56 NATO. Firearm features a folding stock, a mounted foregrip, and a mounted Holosun optic and has a 16" barrel. Rifle only; No box, No ac ...Click for more info
Seller: Cabelas Fort Worth
Area Code: 817
$1,499.99
GI#: 103373577
Used SIG Virtus Google/ very good (rifle has been painted) has MI metal BUIS, flash warden blast diverter. We do not know which generation or version this is ...Click for more info
Seller: Kevin’s Guns Saint Charles
Area Code: 636
$1,275.00
Guns Listing ID: 591291This Sig Sauer MCX is a gas-operated semi-auto rifle and civilian version of the select-fire models made exclusively for military and law enforcement. The short-stroke piston sy ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$1,899.99
Guns Listing ID: 589544The Sig Sauer MCX Spear LT is a premium rifle designed for both precision shooting enthusiasts and tactical professionals. Engineered with cutting-edge technology, this lightwei ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,279.99
GI#: 103348200
Guns Listing ID: 588768Like New! Sig Sauer MCX Spear with both barrel assemblies! This firearm comes with the original box, paperwork, one magazine, 6.8 Hybrid barrel, & 7.62 Nato 16\" Barrel. On ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$3,599.99
Guns Listing ID: 587965MCX Legacy in excellent, lightly used condition and clean, well-maintained, and range-ready. Fitted with a PDW folding stock, BCM KeyMod grip, and a reliable 30-round magazine f ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$1,799.99
Guns Listing ID: 584118Used Sig MCX Rattler — compact, hard-hitting platform built for maneuverability and rapid follow-up. This example features a short 5.5\" barrel for minimal overall length, ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,699.99
New, unfired from my lifetime collection.... I am now an FFL and unfortunately have to "Cull the Herd".... by the sale of this beautiful rifle at yesteryears price.. unfired, 100 % condition ...Click for more info
Seller: DAG Guns
Area Code: 561
$1,350.00
"SN: 63J059498. Modern production, 7.62x39mm with a 16"" barrel w/flash hider. Bore is excellent. Semi-auto tactical rifle with a Sig Romeo 5 red dot optic, Sig Juliet 3 Micro Magnifier ...Click for more info
Seller: Collectors Firearms
Area Code: 832
$2,600.00
Guns Listing ID: 575832Used Sig Sauer MCX, chambered in 5.56 NATO.The rifle in in MINT condition.Keymod HandGuard ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$1,800.99
Comes with original box, 10 round magazine, spacers, and low cheek riser 5.56x45mm NATO ...Click for more info
Seller: Bass Pro - San Antonio
Area Code: 210
$2,099.99
GI#: 103221646
Sig Sauer MCX-R in 5.56 Nato. Call Bass Pro-Grand Prairie, 469-928-2700, for more information on this gun, or any gun in our inventory. Be sure to ask about our in-store sales on any used gun in stock ...Click for more info
Seller: Bass Pro - Grand Prairie
Area Code: 469
$1,799.99
Excellent used in factory box bronze color, Geissle trigger ...Click for more info
Seller: Kevin’s Guns Saint Charles
Area Code: 636
$2,095.00
GI#: 103210601
SALE PENDING
Used Sig Sauer MCX, chambered in 5.56 NATO. The rifle in in MINT condition. Buyer pays for shipping.  ...Click for more info
Seller: Deweys
Area Code: 864
$1,599.00
Seller: GUNPRIME
Area Code: 205
$2,189.00
Guns Listing ID: 536670SIG SAUERMCX RATTLER300 BLACKOUTCUSTOM CERAKOTE - RARE!NEW IN BOX!1 MAG30+15\" BARRELBUSHNELL AR OPTICORIGINAL BOX, MANUAL, AND GUN LOCK ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$3,109.99
This Sig Sauer Model MCX-R is a right hand semi-auto rifle in 5.56 NATO Cal. It has a 16 inch barrel plus the muzzle device and with a 1:7 twist. A full length top accessory rail. The fixed buttstock ...Click for more info
Seller: Cabelas Richfield
Area Code: 262
Was $2,499.99 Now $1,799.77
Guns Listing ID: 525189The Sig Sauer MCX SPEAR is the pinnacle of next-generation firearm innovation, designed as Sig‚s submission for the U.S. Army‚s Next Generation Squad Weapon Program ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$4,599.99
SIG SAUER MCX-R COY BRWN 5.56MM RMCXR-556 Model: MCX-R Regulator Coyote Brown Caliber: 5.56NATO Capacity: 10+1 Action: Semi-Auto Finish: Coyote Brown Stock: Magpul Barrel Length: 16" OAL: ...Click for more info
Seller: H&H Shooting Sports
Area Code: 405
$2,799.98
Guns Listing ID: 511950Sig Sauer MCX Spear LT IR 7.62x39mm 28+1 16\" Black FNC Threaded Barrel, GEN II NiR FDE Cerakote Picatinny Rail Alloy Steel Receiver, M-LOK Handguard, Adj Folding Telescopi ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,599.99
Guns Listing ID: 511090Used Sig Sauer MCX 16\" 5.56 NATO KeyMod Handguard Sig Folding Stock Holosun 515 Optic ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,350.99
The Sig MCX Spear LT 7.62x39 is a modern modular rifle that brings the MCX"s innovative design to a classic intermediate cartridge. With a 16 inch barrel, it achieves a balance of maneuverability ...Click for more info
Seller: United Patriot Supply
Area Code: 785
$2,599.99
The Sig MCX Spear in 7.62x51 is a next-generation rifle derived from Sig"s experience with military contracts, designed to provide battle-ready durability and accuracy in a civilian-legal package ...Click for more info
Seller: United Patriot Supply
Area Code: 785
$4,299.99
Guns Listing ID: 496398The Sig Sauer MCX platform has long been SIG Sauer‚s breeding ground for developing the best rifle system in the world. Now SIG is introducing the SIG Sauer MCX-Spear-LT R ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,999.99
Contact for best price! (805) 304-7931. We do not charge out of state sales tax for other states other than Idaho! Factory new in box! Sig Sauer, MCX Spear, Semi-automatic AR, 762NATO, 16 ...Click for more info
Seller: OwnMoreGunsdotCom
Area Code: 208
$3,750.00
Guns Listing ID: 402775Sig Sauer MCX Spear-LT 5.56 NATO 30 Round 11.5\" BarrelThe MCX platform has long been SIG SAUERS breeding ground for developing the best rifle system in the world through e ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,499.99
MANUFACTURER: SIG SAUER FAMILY: MCX Series MODEL: MCX Spear-LT IR TYPE: Rifle ACTION: Semi-Auto CALIBER/GAUGE: 223 Rem | 5.56 NATO FINISH: FDE Cerakot ...Click for more info
Seller: DOMINIONOUTDOORSKY
Area Code: 606
$2,400.00
**PRICE REDUCED 11/10/25** Up for sale is a Sig Sauer MCX with the original case, 5.56x45mm and .300 AAC Blackout barrels, buffer tube adapter, paperwork, and QD sling swivel. Both barrels hav ...Click for more info
Seller: DENVER GUN ROOM
Area Code: 303
$1,750.00
GI#: 102758159
Guns Listing ID: 393307Capable of muzzle velocities in excess of 3000FPS with a 113gr bullet out of a 16\"barrel, the SIG SAUER MCX-SPEAR rifle is achieving the Army‚s goal of advanced perf ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$4,199.99
Guns Listing ID: 273536Introducing the MCX-SPEAR, the civilian version of the U.S. Army‚s new XM7 rifle. The next generation has arrived. The MCX-SPEAR by SIG SAUER. Based on the U.S. Army&sbqu ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$3,827.99
Guns Listing ID: 387257Utilizing Cerakote Gen II IR Coating and SIG SAUER‚s Tele-fold stock design, the MCX-SPEAR LT IR offers reduced visibility under thermal or night view use while protecting ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,599.99
Guns Listing ID: 356635The MCX-REGULATOR brings all the features of Sig Sauer‚s legendary MCX series in a ranch rifle platform ideal for varmint hunting or defense against wild predators. The MC ...Click for more info
Seller: Guns Dot Com
Area Code: 866
$2,999.99
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