HPA Parts

HK Army aluminum tanks are a great alternative to carbon fiber systems. The aluminum tanks come with the standard High Pressure compressed air regu...

HK Army aluminum tanks are a great alternative to carbon fiber systems. The aluminum tanks come with the standard High Pressure compressed air regu...

The compact size of the Micro Regulator GEN 2 helps reduce the overall footprint and bulk of your air system. Thanks to its streamline, low-profile...

Complete seal set for Micro Reg (Covers GEN1 and GEN2)2x M1.5 x 4.5 (Buna 70) - Body ID1x M2.0 x 14.0 (Buna 70) - Piston OD1x Base Seal

TechT Gun Sav Grease has been used exclusively by PolarStar for over a decade and is the grease we recommend to lubricate all of our HPA engines an...

The PolarStar wire harness is constructed with 24 AWG wire for superior continuity and features a nylon mesh sheath to protect the wires as they p...

Amped Integral Grip Line 2.0 Standard Weave HPA Grip Line Features: Upgraded Debris Protection: Integrated filter to keep dust and debris out of...

OUR LIGHTEST AIR SYSTEM EVER. The HK Army Alpha Air System sets a new standard for lightweight performance in the paintball and airsoft industry. E...

Want to use an AirTac CRBN Upper on your Monk Customs Lower? Look no further! CRBN Uppers are a sleek way to turn any Monk Customs build into a lig...

The HK Army Protective Micro Gauge Cover helps prevent damage to your micro gauge while playing paintball. The rubber injected protective gauge cov...

Black fill nipple which is used for both the 3000psi and 4500psi air tanks.Warning!  Always make sure to turn off the air calve before releasing th...

When air tanks are being stored or transported simply screw on the HK Army Thread Guard to ensure the compressed air regulator and C02 tank threads...

Features Foster 23-2 QD works with all PolarStar Air Rigs Assembled with 6mm x 1/8PTC fitting to interface with standard 6mm airline Male Quick ...

Features Updates Early Version Fusion Engine FCU to Revision 3 Easy, Drop-in Installation Pre-Wired, No Soldering Required Upgraded High Quality ...

The Polarstar F1 F2 Jack Universal switchboard V2 is designed to replace the trigger switch of a traditional TM spec v2 gearbox. Will not work on ...

Features: Drop in nozzle for PolarStar JACK HPA engines Machined Delrin construction Material: Machined DelrinManufacturer: PolarStar Num ...

5 Pack Amped Tank O-Ring kit

14″ wire harness for V2 conversion kits.

The Hostile Airsoft XLP Regulator is Engineered from tough, high-grade aluminum, this regulator lets you dial in your output pressure from 40psi to...

Introducing ESG for Wolverine Heretic Labs Article II - Straight. Designed by Monk Customs, our famous grip now offers ergonomic and durable additi...

Replacement O-rings and regulator seat for your STORM Category 5. Includes 1.5 x  8mm 1.5mm x 15mm 1.5mm x 19mm 1/2″ regulator seat

Keep your air tanks fill nipple protected with the HK Army fill nipple cover. The cover can easily be snapped on and off with its ball bearing lock...