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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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MEC Stock Buffer for TM MWS AR-15/M4
MEC
Stock Buffer for Tokyo Marui MWS M4 Series Sale priceHK$160.00
Sold outMec enhanced tappet plate spring fix for standard v2 and v3 gearboxes
MEC
Enhanced Tappet Plate Spring — PTS Official Endorsed Reliability Sale priceHK$40.00
Steel Disconnector for KJ / ASG Shadow 2: Eliminating Hammer-Follow Liabilities with Monolithic Steel Disconnection Geometry
CL Project Design
Steel Disconnector for KJ / ASG Shadow 2: Eliminating Hammer-Follow Liabilities with Monolithic Steel Disconnection Geometry Sale priceHK$190.00
Hop Up Rubber: The Ultimate Air-Seal and Accuracy Solution for GBBs
MEC
Hop Up Rubber: The Ultimate Air-Seal and Accuracy Solution for GBBs Sale priceHK$88.00
M-Valve: High-Efficiency Performance Upgrade for GBB Systems
MEC
M-Valve: High-Efficiency Performance Upgrade for GBB Systems Sale priceHK$110.00
Optimized Match Outer Barrel for PTS Zev OZ9 Series
PTS ZEV
Optimized Match Outer Barrel for PTS Zev OZ9 Series Sale priceHK$360.00
Competition Steel Ambidextrous Safety Selector for KJ Works / ASG CZ Shadow 2
CL Project Design
Competition Steel Ambidextrous Safety Selector for KJ Works / ASG CZ Shadow 2 Sale priceHK$845.00
Color
ASG Licensed 7075 Aircraft Aluminum CNC Frame for KJ Shadow 2: Overriding Casting Failures with a Monolithic 7075-T6 Aerospace Racing Backbone
CL Project Design
ASG Licensed 7075 Aircraft Aluminum CNC Frame for KJ Shadow 2: Overriding Casting Failures with a Monolithic 7075-T6 Aerospace Racing Backbone Sale priceHK$3,105.00
Color
7075 Aircraft Aluminum CNC Magazine Base Pad for KJ / ASG Shadow 2 & SP-01
CL Project Design
7075 Aircraft Aluminum CNC Magazine Base Pad for KJ / ASG Shadow 2 & SP-01 Sale priceHK$230.00
Color
Universal Low Profile Micro Red Dot Sight Mount Pad for KJ Works / ASG CZ Shadow 2 (Dual Slide Specs)
CL Project Design
Universal Low Profile Micro Red Dot Sight Mount Pad for KJ Works / ASG CZ Shadow 2 (Dual Slide Specs) Sale priceHK$410.00
Color
7075 Fixed Aluminum Threaded Outer Barrel for KJ Works / ASG CZ Shadow 27075 Fixed Aluminum Threaded Outer Barrel for KJ Works / ASG CZ Shadow 2 (11mm CW)
CL Project Design
7075 Fixed Aluminum Threaded Outer Barrel for KJ Works / ASG CZ Shadow 27075 Fixed Aluminum Threaded Outer Barrel for KJ Works / ASG CZ Shadow 2 (11mm CW) Sale priceHK$425.00
Color
7075 Aircraft Aluminum CNC Competition Trigger for KJ / ASG Shadow 2: Eradicating Overtravel Liabilities with Monolithic 7075-T6 Hyper-Adjustable Linear Mechanics
CL Project Design
7075 Aircraft Aluminum CNC Competition Trigger for KJ / ASG Shadow 2: Eradicating Overtravel Liabilities with Monolithic 7075-T6 Hyper-Adjustable Linear Mechanics Sale priceHK$330.00
Color
MEC, MEC Desire for Performance, Desire for Performance, MEC R-Type Piston Head For KWA TT-33 M9 M93R Umraex MP7 KWA, KWA, TT-33, M9, M93R, Umraex MP7, MP7
MEC
R-Type KWA-14 High-Intake Brass Piston Head (For KWA MP7 / M9 / M93R / TT-33) Sale priceHK$70.00
Hop Up Rubber AEG: Precision Engineering for Superior Accuracy
MEC
Hop Up Rubber AEG: Precision Engineering for Superior Accuracy Sale priceHK$88.00
Sold outMEC, MEC Desire for Performance, Desire for Performance, MEC R-Type Piston Head For TM Hi-Cap G17 Gen3 1911 KJ KP-17, TM Hi-Cap, G17, Gen3, 1911, KJ KP-17, KP-17
MEC
R-Type Marui-14 High-Intake Brass Piston Head (for TM Hi-Capa / P226 / G17 Gen.3 / 1911) Sale priceHK$70.00
MEC, MEC Desire for Performance, Desire for Performance, MEC R-Type Piston Head For TM PX4 FN 5-7 G17 Gen4 G19 WE17, TM PX4, FN 5-7, G17, Gen4, G19, WE17
MEC
R-Type Marui-15 High-Intake Brass Piston Head (for TM G17 Gen.4 / G19 / PX4 / FN 5-7) Sale priceHK$70.00
V Piston Head Set — Dual Hardness Upgrade for GBB Pistols
MEC
V Piston Head Set — Dual Hardness Upgrade for GBB Pistols Sale priceHK$160.00
Sold outComplete Factory Spec Internal Spring Rebuild Kit for KJ Works / ASG CZ Shadow 2
CL Project Design
Complete Factory Spec Internal Spring Rebuild Kit for KJ Works / ASG CZ Shadow 2 Sale priceHK$195.00
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
Steel 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
7075 Aircraft Aluminum CNC Slide for KJ / ASG Shadow 2: Shattering Reciprocal Inertia Liabilities with Monolithic 7075-T6 Aerospace Efficiency
CL Project Design
7075 Aircraft Aluminum CNC Slide for KJ / ASG Shadow 2: Shattering Reciprocal Inertia Liabilities with Monolithic 7075-T6 Aerospace Efficiency Sale priceHK$1,050.00
Color
Steel 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
MEC, 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
7075 Aircraft Aluminum CNC Fiber 1mm Front Sight for KJ / ASG Shadow 2: Eradicating Target Indexing Latency with Monolithic 7075-T6 Precision and High-Glow Efficiency
CL Project Design
7075 Aircraft Aluminum CNC Fiber 1mm Front Sight for KJ / ASG Shadow 2: Eradicating Target Indexing Latency with Monolithic 7075-T6 Precision and High-Glow Efficiency Sale priceHK$240.00
E9 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
7075 Aircraft Aluminum CNC Grip for ASG KJ Shadow2 Silver
CL Project Design
7075 Aircraft Aluminum CNC Grip for ASG / KJ Shadow 2: Eliminating Frame Twist and Asymmetric Grip Liabilities with Monolithic 7075-T6 Aerospace Rigidity Sale priceHK$700.00
ASG 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
ASG 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
Extended 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
MEC, 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