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Update
This back cap will replace any of our pistol and rifle vibration back caps. It will fit the original recoil enabled pistol conversion barrels (R.E.A.L. - all blue barrel), the FLASH vibration cartridge (without the PST/Spear system) and the Spider
This back cap activates the SureStrike™ REAL vibration laser cartridge and is used in recoil enabled pistols as well as the Spider. The vibration back cap for the FLASH activates the SureStrike™ and is used in recoil enabled rifles, inside the FLASH adapter.
Learn more about compatibility below
If you have a Gen 1 recoil enabled pistol conversion kit (R.E.A.L) with an all blue barrel, a Spider or a Gen 1 FLASH - THIS is your back cap replacement.
IF you have a blue & red barrel, your back cap is the PST version. All Glock & Sig REAL or recoil enabled firearms going out (as of May 2024) are blue & red and use the PST cap. Currently CZ, 1911 and 2011 are still using the Gen 1 vibration back cap.
AR 15 purchased directly from Laser Ammo in 2024, including the Gen 2 FLASH with a spring and a firing pin included, will need the PST back cap since it is firing pin activated, not vibration activated. (please note that standalone Flash Kits are still sold with the Gen 1 vibration laser and not with the PST, unless requested by the customer)
Compatible with both Red & IR REAL vibration activated laser cartridges.
*This back cap is to replace the back cap on vibration cartridge (with our REAL barrel conversions, Spider or FLASH adapter) and is for use in recoil guns only.
If you have a newer Glock or Sig (May 2024 or newer) and your barrel is red and blue, look at your cap and the image/description for the PST back cap. Should you have any questions on which version you should buy, reach out to our Support.
Vibration Action Back Cap- REAL (Pistol) 
Hi my name is Richard I am not a great shooter but I am getting there. You can imagine how many shots that will take. Well I am on my fourth back cap and they have all given great service and have lasted as promised. Think about how many items that do that nowadays. I call getting what you paid for a great value.
