Quick view Details PolarStar | sku: JACKM249 Polarstar Jack M249 (A&K or Classic Army) Players Kit Now: $339.99 Choose Options Compare Quick view Details PolarStar | sku: 10000395 Polarstar Jack V2 "M4" Drop in engine Now: $339.99 Add to Cart Compare Quick view PolarStar | sku: JACKM249 Polarstar Jack M249 (A&K or Classic Army) Players Kit Polarstar Jack M249 (A&K or Classic Army) Players Kit Included is everything you'll need to install a Jack into your M249. The engine, harness, plug board, hollow grip screw, and FCU are included. Now: $339.99 Choose Options Compare Quick view PolarStar | sku: 10000395 Polarstar Jack V2 "M4" Drop in engine Polarstar Jack V2 "M4" Drop in engine Velocity: 500FPS w/ .20g @ 120psi. The Jack allows for easy velocity adjustment. Using a standard M4 as an example, velocity can be adjusted from below 100fps and up to approximately 500fps with a .20g BB. Longer... Now: $339.99 Add to Cart Compare Compare Selected × OK Questions? Feedback? powered by Olark live chat software
Quick view Details PolarStar | sku: 10000395 Polarstar Jack V2 "M4" Drop in engine Now: $339.99 Add to Cart Compare Quick view PolarStar | sku: JACKM249 Polarstar Jack M249 (A&K or Classic Army) Players Kit Polarstar Jack M249 (A&K or Classic Army) Players Kit Included is everything you'll need to install a Jack into your M249. The engine, harness, plug board, hollow grip screw, and FCU are included. Now: $339.99 Choose Options Compare Quick view PolarStar | sku: 10000395 Polarstar Jack V2 "M4" Drop in engine Polarstar Jack V2 "M4" Drop in engine Velocity: 500FPS w/ .20g @ 120psi. The Jack allows for easy velocity adjustment. Using a standard M4 as an example, velocity can be adjusted from below 100fps and up to approximately 500fps with a .20g BB. Longer... Now: $339.99 Add to Cart Compare Compare Selected × OK
Quick view PolarStar | sku: JACKM249 Polarstar Jack M249 (A&K or Classic Army) Players Kit Polarstar Jack M249 (A&K or Classic Army) Players Kit Included is everything you'll need to install a Jack into your M249. The engine, harness, plug board, hollow grip screw, and FCU are included. Now: $339.99 Choose Options Compare Quick view PolarStar | sku: 10000395 Polarstar Jack V2 "M4" Drop in engine Polarstar Jack V2 "M4" Drop in engine Velocity: 500FPS w/ .20g @ 120psi. The Jack allows for easy velocity adjustment. Using a standard M4 as an example, velocity can be adjusted from below 100fps and up to approximately 500fps with a .20g BB. Longer... Now: $339.99 Add to Cart Compare Compare Selected
Quick view PolarStar | sku: 10000395 Polarstar Jack V2 "M4" Drop in engine Polarstar Jack V2 "M4" Drop in engine Velocity: 500FPS w/ .20g @ 120psi. The Jack allows for easy velocity adjustment. Using a standard M4 as an example, velocity can be adjusted from below 100fps and up to approximately 500fps with a .20g BB. Longer... Now: $339.99 Add to Cart Compare Compare Selected
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