Replacement OEM body pin set for the SG/MP5 series of Echo 1 Guns.

ICS replacement rear receiver pin for all ICS Car-97 M4/M16 style rifles.

ICS M16 series gearbox locking pin. Actual item may differ slightly from the above picture.

SRC Locking Pin Set for SRC and compatible M4/M16 style receiver body.

Echo 1 locking receiver pins for M4 and M16 style airsoft guns.  If you keep losing your standard receiver pins because they won't stop falling out, this is your answer.  Treaded screw head locks the pin in place and keeps it from falling out!

Echo 1 SG QD Body Pins are a convenience upgrade which is two fold; it allows removal of the pins with out use of tools and secondly it reduces the odds of lost body pins that vibrated out.

King Arms M16/M14 receiver pin set.  Locks the pins into your receiver so you'll never lose one again!

King Arms METAL Gearbox Receiver-Fits for M4 / M16 Series-Included Steel Accessories-Perfect Fit with Real M4 RAS-Unique Serial Number On Body-Laser Markings & Logos-Special Designed Connector Plug Compartment-Highly Refined Finishing-Self Locking Front Pivot Pin& Takedown Pin-Bolt Carrier Ornament Plate can be hold in open position when pull the charging handle.

Madbull Receivers Comes with: Madbull Ultimate Hop Up ChamberSteel Forward Assits with Pin and SpringSteel Body Pins with Lock nutSteel Floral PinCharging Handel Spring with ScrewYou will need the following Parts to complete the Receiver (can typically use the parts from original body):Charging Handle with Dust cover LeverDust Cover Assembly Trigger Guard Fire Selector Assembly Magazine Release Assembly

Madbull Receivers Comes with: Madbull Ultimate Hop Up ChamberSteel Forward Assits with Pin and SpringSteel Body Pins with Lock nutSteel Floral PinCharging Handel Spring with ScrewYou will need the following Parts to complete the Receiver (can typically use the parts from original body):Charging Handle with Dust cover LeverDust Cover Assembly Trigger Guard Fire Selector Assembly Magazine Release Assembly