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  • SIG MCX .300 Blackout assault rifle Neptune Spear

Game content and materials are trademarks and copyrights of Battlestate Games and its licensors. All rights reserved. Buy the game

This app uses Tarkov APIReport a bug2026
Live Event:Halloween 2026

SIG MCX .300 Blackout assault rifle Neptune Spear (MCX Neptune Spear)

MCX Neptune SpearMCX Neptune Spear

The .300 Blackout MCX line, designed and manufactured by SIG Sauer, is available in both semi-automatic and automatic versions and features a short-stroke gas piston system, which is inherited from the earlier SIG MPX submachine gun. The .300 Blackout ammo and the MCX are compatible with all AR-15 magazines.

MCX Neptune Spear
24h average price
Change over 48 hours
Buy from trader
—
Sell on Flea Market
Sell to trader
94,654 ₽
Mechanic
Mechanic
Net Profit (Flea Market vs Trader) 📈
Buy on Flea, sell to trader
Buy from trader, sell on Flea
Flea Market from 25 lvl.wiki

Properties:

Base item
SIG MCX .300 Blackout assault rifle
Categories
Assault riflesAssault riflesWeaponsWeapons
Weight
3.784 kg
ItemBuy from traderSell on Flea MarketMinimum price
SIG MCX .300 Blackout assault rifleSIG MCX .300 Blackout assault rifleOccupies: 1 × 1
30,672 ₽
Skier3
Skier
—
30,672 ₽
Skier3
AR-15 Magpul MOE pistol grip (Black)AR-15 Magpul MOE pistol grip (Black)Occupies: 1 × 1
153 $ (25,240 ₽)
Peacekeeper4
Peacekeeper
—
153 $ (25,240 ₽)
Peacekeeper4
AR-15 5.56x45 Magpul PMAG 30 GEN M3 W STANAG 30-round magazineAR-15 5.56x45 Magpul PMAG 30 GEN M3 W STANAG 30-round magazineOccupies: 1 × 2
58 $ (9,600 ₽)
Peacekeeper2
Peacekeeper
—
58 $ (9,600 ₽)
Peacekeeper2
MCX GEN1 .300 BLK upper receiverMCX GEN1 .300 BLK upper receiverOccupies: 2 × 1
5,053 ₽
Skier3
Skier
—
5,053 ₽
Skier3
Aimpoint Micro Standard MountAimpoint Micro Standard MountOccupies: 1 × 1
28 $ (4,590 ₽)
Peacekeeper1
Peacekeeper
—
28 $ (4,590 ₽)
Peacekeeper1
Aimpoint Micro Spacer HighAimpoint Micro Spacer HighOccupies: 1 × 1
25 $ (4,127 ₽)
Peacekeeper1
Peacekeeper
—
25 $ (4,127 ₽)
Peacekeeper1
Aimpoint Micro T-1 reflex sightAimpoint Micro T-1 reflex sightOccupies: 1 × 1
274 $ (45,128 ₽)
Peacekeeper2
Peacekeeper
—
274 $ (45,128 ₽)
Peacekeeper2
MCX .300 BLK 6.75 inch barrelMCX .300 BLK 6.75 inch barrelOccupies: 2 × 1
23,210 ₽
Skier3
Skier
—
23,210 ₽
Skier3
SIG Sauer Taper-LOK 7.62x51/.300 BLK muzzle adapterSIG Sauer Taper-LOK 7.62x51/.300 BLK muzzle adapterOccupies: 1 × 1
6,092 ₽
Skier3
Skier
—
6,092 ₽
Skier3
SIG Sauer 7.62x51 3-prong flash hiderSIG Sauer 7.62x51 3-prong flash hiderOccupies: 1 × 1
21 $ (3,447 ₽)
Peacekeeper3
Peacekeeper
—
21 $ (3,447 ₽)
Peacekeeper3
SIG Sauer SRD762-QD 7.62x51 sound suppressorSIG Sauer SRD762-QD 7.62x51 sound suppressorOccupies: 2 × 1
805 $ (132,761 ₽)
Peacekeeper4
Peacekeeper
—
805 $ (132,761 ₽)
Peacekeeper4
MCX gas blockMCX gas blockOccupies: 1 × 1
5,625 ₽
Mechanic3
Mechanic
—
5,625 ₽
Mechanic3
MCX GEN1 KeyMod 12 inch handguardMCX GEN1 KeyMod 12 inch handguardOccupies: 3 × 1
14,400 ₽
Skier3
Skier
—
14,400 ₽
Skier3
Vltor CASV KeyMod 2 inch railVltor CASV KeyMod 2 inch railOccupies: 1 × 1
22 $ (3,701 ₽)
Peacekeeper2
Peacekeeper
—
22 $ (3,701 ₽)
Peacekeeper2
Kiba Arms 25mm accessory ring mountKiba Arms 25mm accessory ring mountOccupies: 1 × 1
3,499 ₽
Mechanic1
Mechanic
—
3,499 ₽
Mechanic1
Ultrafire WF-501B flashlightUltrafire WF-501B flashlightOccupies: 1 × 1
43 $ (7,027 ₽)
Peacekeeper1
Peacekeeper
—
43 $ (7,027 ₽)
Peacekeeper1
KAC Folding front sightKAC Folding front sightOccupies: 1 × 1
25 $ (4,183 ₽)
Peacekeeper2
Peacekeeper
—
25 $ (4,183 ₽)
Peacekeeper2
SIG Sauer Vertical Foregrip KeyMod (Black)SIG Sauer Vertical Foregrip KeyMod (Black)Occupies: 1 × 1
120 $ (19,775 ₽)
Peacekeeper3
Peacekeeper
—
120 $ (19,775 ₽)
Peacekeeper3
KAC Folding rear sightKAC Folding rear sightOccupies: 1 × 1
38 $ (6,229 ₽)
Peacekeeper2
Peacekeeper
—
38 $ (6,229 ₽)
Peacekeeper2
L3Harris AN/PEQ-15 tactical deviceL3Harris AN/PEQ-15 tactical deviceOccupies: 1 × 1
217 $ (35,846 ₽)
Peacekeeper3
Peacekeeper
—
217 $ (35,846 ₽)
Peacekeeper3
SIG Sauer Telescoping/Folding StockSIG Sauer Telescoping/Folding StockOccupies: 2 × 1
6,049 ₽
Mechanic3
Mechanic
—
6,049 ₽
Mechanic3
MCX charging handleMCX charging handleOccupies: 1 × 1
1,056 ₽
Skier3
Skier
—
1,056 ₽
Skier3
Total397,310 ₽