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Internal Upgrades & Performance

Upgrade your airsoft platform to its peak potential with the PTS Steel Shop Internal Upgrades Collection. We feature high-performance internal components engineered for consistency, range, and durability. Explore cutting-edge hop-up buckings, valves, and springs from MEC, alongside premium custom tuning components from CL Project Design specialized for CZ series pistols and Revolvers. From sharpening trigger response to maximizing gas efficiency and accuracy, find the precise parts needed to dominate the field.

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59 products

6.00mm Nine Ball 108.5mm Power Barrel Set for TM G17
PTS Laylax
6.00mm Nine Ball 108.5mm Power Barrel Set for TM G17 Sale priceHK$300.00
Airsoft OnlySteel Slide Stop for KJ / ASG Shadow 2: Eradicating Hinge Pin Fracture Liabilities with High-Tensile Monolithic Steel Rigidity
CL Project Design
Steel Slide Stop for KJ / ASG Shadow 2: Eradicating Hinge Pin Fracture Liabilities with High-Tensile Monolithic Steel Rigidity Sale priceHK$460.00
Color
Airsoft OnlySteel Hammer Set for ASG / KJ Shadow 2 & SP-01: Eradicating Sear Notch Slippage Liabilities with Monolithic Machined Steel Fire-Control Rigidity
CL Project Design
Steel Hammer Set for ASG / KJ Shadow 2 & SP-01: Eradicating Sear Notch Slippage Liabilities with Monolithic Machined Steel Fire-Control Rigidity Sale priceHK$450.00
Color
Airsoft OnlyMEC, MEC Desire for Performance, Desire for Performance, MEC PRO Trigger For KWA GBB, PRO Trigger, KWA, GBB
MEC
PRO Trigger For KWA GBB Sale priceHK$370.00
Color
Airsoft OnlyAdapter Ring for Tokyo Marui M4 MWS GBB
PTS Syndicate
Adapter Ring for Tokyo Marui M4 MWS GBB Sale priceHK$75.00
Systema EPM Replacement Part - Lip Stopper w/ Spring
PTS Replacement Parts
Systema EPM Replacement Part - Lip Stopper w/ Spring Sale priceHK$40.00
Rainier Arms Lower Receiver For Systema PTW
PTS Rainier Arms
Rainier Arms Lower Receiver For Systema PTW Sale priceHK$2,075.00
Sold outAmbidextrous Safety Selector GBBR Version For KWA, LM4, KSC
PTS B.A.D.
Ambidextrous Safety Selector GBBR Version For KWA, LM4, KSC Sale priceHK$300.00
Color
Sold outAmbidextrous Safety Selector AEG Version For PTS ERG
PTS B.A.D.
Ambidextrous Safety Selector AEG Version For PTS ERG Sale priceHK$270.00
Color
Airsoft OnlyE9 18mm to 14mm CCW 2-Inch Barrel Extension: The Ultimate Scorpion EVO Upgrade
PTS Syndicate
E9 18mm to 14mm CCW 2-Inch Barrel Extension: The Ultimate Scorpion EVO Upgrade Sale priceHK$160.00
Airsoft Only7075 Aircraft Aluminum CNC Grip for ASG KJ Shadow2 Silver
CL Project Design
7075 Aircraft Aluminum CNC Grip Panel for ASG / KJW CZ Shadow 2 Sale priceHK$700.00
Airsoft OnlyASG Licensed Adjustable Trigger for Dan Wesson CO2 Revolver: Eradicating Overtravel Omissions with Micro-Tunable Mechanical Geometry and Authentic Lineage Stamps
CL Project Design
ASG Licensed Adjustable Trigger for Dan Wesson CO2 Revolver: Eradicating Overtravel Omissions with Micro-Tunable Mechanical Geometry and Authentic Lineage Stamps Sale priceHK$635.00
Color
Airsoft OnlyASG Factory OEM Steel Hammer for KJ / ASG Shadow 2: Retaining Classic Profiles while Shattering Casting Failures with Monolithic Steel Longevity
CL Project Design
ASG Factory OEM Steel Hammer for KJ / ASG Shadow 2: Retaining Classic Profiles while Shattering Casting Failures with Monolithic Steel Longevity Sale priceHK$205.00
Airsoft OnlyExtended Magazine Release Button for KJ / ASG Shadow 2
CL Project Design
Extended Magazine Release Button for KJ / ASG Shadow 2 Sale priceHK$205.00
Color
Airsoft OnlyMEC, MEC Desire for Performance, Desire for Performance, MEC R-Type Piston Head For KWA MK23 Mark 4 VZ61 Umarex HK35 KWA, Piston Head, KWA MK23, Mark 4, VZ61, Umarex HK35, KWA
MEC
R-Type KWA-15 High-Intake Brass Piston Head (For KWA HK45 / MK23 / MP9 / Mark 4 / VZ61) Sale priceHK$70.00
Sold outSlide Lock Charging Handle
PTS Mega Arms
Slide Lock Charging Handle Sale priceHK$350.00
TM Next Gen Recoil Shock M4/SCAR Replacement Parts - Follower & Spring Set
PTS Replacement Parts
TM Next Gen Recoil Shock M4/SCAR Replacement Parts - Follower & Spring Set Sale priceHK$60.00
PMAG AEG Magazine Spring Replacement Set (F12, F13, F14)
PTS Replacement Parts
PMAG AEG Magazine Spring Replacement Set (F12, F13, F14) Sale priceHK$65.00
NOVESKE N4 GBB Receiver Kit + NSR9 M-LOK Rail Set for TM MWS – Official Licensed Build
CGS
NOVESKE N4 GBB Receiver Kit + NSR9 M-LOK Rail Set for TM MWS – Official Licensed Build Sale priceHK$1,850.00
Color
PTS Mega Arms Receiver Set: Elite Aesthetics for Systema PTW
PTS Mega Arms
PTS Mega Arms Receiver Set: Elite Aesthetics for Systema PTW Sale priceHK$3,850.00
PTS BCE, KWA, KSC, G19, Slide Kit
PTS BattleComp
G19 Slide Kit For KSC Sale priceHK$820.00
Sold outAmbidextrous Safety Selector SST (45 Degree) GBBR Version Semi Only For MEGA, G&P
PTS B.A.D.
Ambidextrous Safety Selector SST (45 Degree) GBBR Version Semi Only For MEGA, G&P Sale priceHK$320.00
Color
Sold outAmbidextrous Safety Selector SST (45 Degree) GBBR Version Semi Only For KWA/ KSC LM4
PTS B.A.D.
Ambidextrous Safety Selector SST (45 Degree) GBBR Version Semi Only For KWA/ KSC LM4 Sale priceHK$320.00
Color
Sold out6.00mm Nine Ball 97mm Power Barrel Set for TM G17
PTS Laylax
6.00mm Nine Ball 97mm Power Barrel Set for TM G17 Sale priceHK$280.00
6.03 Precision 317mm Inner Barrel For AEG
KM Planning
6.03 Precision 317mm Inner Barrel For AEG Sale priceHK$460.00
6.03 Precision 380mm Inner Barrel For AEG
KM Planning
6.03 Precision 380mm Inner Barrel For AEG Sale priceHK$480.00
370mm GBB 6.02mm Inner Barrel
Maple Leaf
370mm GBB 6.02mm Inner Barrel Sale priceHK$300.00
Airsoft OnlyCompetition Upgrade Kit for KJ Works / ASG CZ Shadow Series (Magic Recoil Spring & Hand-Polished Mag Lip)
CL Project Design
Competition Upgrade Kit for KJ Works / ASG CZ Shadow Series (Magic Recoil Spring & Hand-Polished Mag Lip) Sale priceHK$175.00
Airsoft OnlyMAX Blowback Housing & Loading Nozzle Set: Elevating the OZ9 Performance Standard
MEC
MAX Blowback Housing & Loading Nozzle Set: Elevating the OZ9 Performance Standard Sale priceHK$560.00