SIG Sauer ProForce Sportline MPX-K Airsoft AEG SMG Tank Regulators & Accessories Its full blowback action and

Its full blowback action and 315 fps velocity with a

articles of clothing or three to four more discs

Magazine tube feeds BBs reliably

factory tested and have a super low response curve of 0-50psi from full to empty

Packed with features

SIG Sauer ProForce Sportline MPX-K Airsoft AEG SMG Tank Regulators & Accessories Its full blowback action andFeatures Fully licensed SIG Sauer MPX K replica Strong Lightweight polymer construction with full metal gearbox Complete SIG Sauer trademarks Minimalist folding skeleton stock Adjustable hop up accessible under the dust cover Semi and full auto fire modes Full length top 1913 picatinny RIS for mounting optics, lights, lasers, or other accessories Handguard features M LOK slots at 3, 6, and 9 o'clock positions 100 round mid cap magazine Ambidextrous