K437 Assault Rifle
Assault rifle

K437 Assault Rifle

Auction price
30 days
198KKoen ·
24h -6.9%7d +2.8%Reference 107K
2026-10-05Low 151K · High 251K · Last 197K2026-11-03
Description

The K437 is a German modular assault rifle that fires .300 BLK ammunition. Its side-folding stock allows for concealed carry, while the short-stroke gas system ensures high reliability.

Attachment slots

Barrel 4

M249 Rhino Long BarrelSV-98 Dragonfly Light BarrelSV-98 Sublime Ultra-Long Barrel.357 Revolver Long Barrel

Handguard 1

QBZ Long Performance Handguard Void

Mag 24

M14 30-Round MagVSS 45-Round MagAKM 40-Round Extended MagAKM 70-Round Large Drum MagAKS-74 45-Round Extended MagAKS-74 75-Round Polymer Drum MagG3 30-Round MagM14 20-Round MagM14 50-Round Drum MagM4 45-Round Extended MagM4 60-Round Drum MagSCAR-H 30-Round MagSCAR-H 50-Round Drum MagVSS 30-Round Mag5.56x45 30-Round Aluminum Mag5.56x45 30-Round Polymer MagAK-12 30-Round Polymer MagAK762 30-Round Bakelite MagAKM 30-Round Polymer MagAKS-74 30-Round MagG3 50-Round Drum MagMini-14 20-Round MagAK 7.62x39 30-Round Mag VoidM4STANGMAG30-Round Mag Void

Optic 42

3/7 Adv. Thermal Vision Sniper Scope8x Adv. Thermal Vision Sniper ScopeAdv. Thermal Fusion Holographic SightWhite Phosphor Thermal Scope1P-29 Russian 3x Sight1P-33 2/4x Scope3/7 Adjustable Scope6/12 Expert Sniper ScopeAPX Hybrid SightHAMR Combined ScopeInsight 3/7 Ballistic Sniper ScopeInsight 6/12 Ballistic Sniper ScopeLPVO ScopeM157 Fire Control SystemOptical Sniper 8x ScopePrism Universal 2x OpticRecon 1.5/5 Adjustable ScopeUHX Holographic SightVMX Frameless SightViewpoint 3x ScopeACOG Precision 6x ScopeBurris Fastfire 3Cobra Accuracy SightCombat Red Dot SightFlip-Up Red Dot SightLeupold DeltaPointM3 Sniper ScopeMicro Sight RiserMini Red Dot SightMulti-Purpose Tactical RiserOKP-7 Reflex SightOSIGHT Red DotPanoramic Red Dot SightRMR Red DotVortex Venom Red DotXCOG Assault 3.5x ScopeXRO Quick Response SightAP5000 Reflex SightHolographic SightHolographic Sight Type II

Rear Grip 16

AK Heavy Tower GripAK Skeleton GripAR Heavy Tower GripAR Modular Rear GripInvasion Rear GripPhantom Rear GripRK-3 Rear GripScorpio Rear GripAK Marksman Rear GripAK Practical Rear GripAK Stable Rear GripAR MOE Rear GripHurricane D-1 Rear GripMarksman D-2 Rear Grip416 Practical Rear GripM7 Stable Rear Grip

Stock 34

416-C Collapsible StockASh-12 Skeleton StockASh-12 Sniper StockMRGS Skeleton StockPT1 Spec Ops StockPT3 Sacrifice StockShadow Buffer Tube StockShadow Rail StockUR Spec Ops Tactical StockVector Resonant Integral Stock416 Light Stock416 Stable StockAK-19 StockCardinal Advanced Combat StockCardinal Stable StockElite Light StockInvasion Core StockLightning Rail StockSkeleton Sniper StockAK End CapAK Folding StockAK Polymer StockAK Skeleton StockCore Rail StockG3 Collapsible StockM16A4 Stable StockM4 Recoil Buffer TubeMP5 Collapsible StockMP5 End CapMP5K Folding StockPractical Light StockPractical Stable StockPractical Tactical StockUZI Stock

Upper Rail 11

DBAL-X2 Purple Laser-Light ComboFlare Tactical FlashlightLA-3C Green Laser-Light ComboOLIGHT Warrior 3S Tactical FlashlightPEQ-2 Red Laser-Light ComboPERST-7 Blue Laser-Light ComboDD Python Handguard PanelHornet Handguard PanelKC Hound Handguard PanelModular Handguard PanelRanger Handguard Panel
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