Simple and Secure Installation

Assembly requires no specialized tools or experience and takes
approximately three minutes to install.


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RTS TriggerShield™

$69.99

If you are uncertain about which RTS TriggerShield™ model to order (Standard .154 or Large .170 H/T pins) please click the button below.

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$69.99
$69.99
SKU: RTS Category:

Description

RTS TriggerShield™ kits includes:
– 1 left-hand shield
– 1 right-hand shield
– 2 custom hammer/trigger pins***
– 2 screws, 2 hex wrenches
– 1 pilot lead

Firearms are not included with RTS TriggerShield™ kits. Installation instructions are included.

*** TSM4 Vs. TSM4C

Most AR-15/M-4 model rifles use the “STANDARD” (.154) hammer and trigger pins which are included with the RTS TriggerShield TSM4.

However, Semi-Automatic Colt AR-15/M-4 Lower Receivers manufactured between 1991-2009 use the “LARGE” (.170) hammer and trigger pins.

These Colt AR-15/M-4 Lowers will not function properly with “STANDARD” (.154) hammer and trigger pins. Potential malfunctions may include, but are not limited to; looseness of the internal trigger control group, multiple rounds fired on single trigger press, complete inoperability, etc.

To determine whether your Colt Lower uses “Standard” (.154) or “Large” (.170) Hammer and Trigger Pins, either measure your pins with a caliper or call Colt directly at 800.962.2658 to ask for the date of manufacture by your serial number.

If you determine that you have one of these “Large” Pin Colt Lower Receivers, please order the RTS TriggerShield TSM4C.

Important Note
ATTENTION COLT OWNERS

*** TSM4 Vs. TSM4C
Most AR-15/M-4 model rifles use the “STANDARD” (.154) hammer and trigger pins which are included with the RTS TriggerShield TSM4.

However, Semi-Automatic Colt AR-15/M-4 Lower Receivers manufactured between 1991-2009 use the “LARGE” (.170) hammer and trigger pins.  These Colt AR-15/M-4 Lowers will not function properly with “STANDARD” (.154) hammer and trigger pins. Potential malfunctions may include, but are not limited to; looseness of the internal trigger control group, multiple rounds fired on single trigger press, complete inoperability, etc.

To determine whether your Colt Lower uses “Standard” (.154) or “Large” (.170) Hammer and Trigger Pins, either measure your pins with a caliper or call Colt directly at 800.962.2658 to ask for the date of manufacture by your serial number.

If you determine that you have one of these “Large” Pin Colt Lower Receivers, please order the RTS TriggerShield TSM4C.

    If you have any questions, please contact us below:

Email RTS

Additional information

Weight 16.79 g
Dimensions 2 × 2.25 in

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Increase weapon security, safety, and tactical confidence with the RTS TriggerShieldTM safety device.