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Turn adjustment knob all the way in one direction, until you feel some tension, do not turn until a full stop.
Next, go back in the opposite direction counting clicks the entire time, until you feel tension again.
Then, go back half the number of clicks, this should be an approximate mechanical zero for the optic.
These are the correct sight sets for a Sig Sauer P220:
SIG P220 (.45 caliber) #6 front/#8 rear
| TFX Pro® | TG13SG2PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG2A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S2W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST2 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST2Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S2 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S2 | Red front sight, green rear square-notch rear |
We can also advise to match up the numbers indicated on your factory front and rear sights, with the corresponding TRUGLO sight sets. as there can be some variance in certain firearms from the information indicated above.
Please be advised, certain SIG pistols (within a given model range) can also have a variety of front sight slide relief cuts which might interfere with the installation of the front sight.
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
These are the correct sight sets for a SIG P225/P6:
| TFX Pro® | TG13SG1PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG1A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S1W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131SG1 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131SG1Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S1 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S1 | Red front sight, green rear square-notch rear |
We can also advise to match up the numbers indicated on your factory front and rear sights, with the corresponding TRUGLO sight sets, as there can be some variance in certain firearms from the information indicated above.
Please be advised, certain SIG pistols (within a given model range) can also have a variety of front sight slide relief cuts which might interfere with the installation of the front sight.
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
These are the correct sight sets for a SIG P226:
SIG P226 (9mm and .357 SIG caliber) #8 front/#8 rear
| TFX Pro® | TG13SG1PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG1A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S1W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST1 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST1Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S1 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S1 | Red front sight, green rear square-notch rear |
SIG P226 (.40 S&W ) #6 front/#8 rear
| TFX Pro® | TG13SG2PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG2A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S2W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST2 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST2Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S2 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S2 | Red front sight, green rear square-notch rear |
We can also advise to match up the numbers indicated on your factory front and rear sights, with the corresponding TRUGLO sight sets, as there can be some variance in certain firearms from the information indicated above.
Please be advised, certain SIG pistols (within a given model range) can also have a variety of front sight slide relief cuts which might interfere with the installation of the front sight.
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
These are the correct sight sets for a SIG P229:
SIG P229 (9mm, .40 S&W, and .357 SIG caliber) #8 front/#8 rear
| TFX Pro® | TG13SG1PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG1A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S1W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST1 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST1Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231A1 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S1 | Red front sight, green rear square-notch rear |
We can also advise to match up the numbers indicated on your factory front and rear sights, with the corresponding TRUGLO sight sets. as there can be some variance in certain firearms from the information indicated above.
Please be advised, certain SIG pistols (within a given model range) can also have a variety of front sight slide relief cuts which might interfere with the installation of the front sight.
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
TRUGLO does not make a front/rear TFO sight set for this model SIG pistol.
The SIG P238 and SIG P938 TFO front sight you may have seen, is not available as a replacement, or accessory part, from TRUGLO. This sight is sold exclusively to SIG as an OEM part for their P238 and P938 pistols and is designed for use with the SIG factory tritium only rear sigtht. SIG has also recently introduced a new set of sights for these pistols under the SIG X-Ray series.
https://www.sigsauer.com/store/x-ray3.html
We recommend you contact SIG for availability of this sight.
This is the correct sight set for a SIG P238:
| TFX Pro® | TG13SG3PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
These are the correct sight sets for a SIG P239:
SIG P239 (9mm, .357 SIG and .40 S&W) #8 front/#8 rear
| TFX Pro® | TG13SG1PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG1A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG23S1W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST1 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST1Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S1 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S1 | Red front sight, green rear square-notch rear |
We can also advise to match up the numbers indicated on your factory front and rear sights, with the corresponding TRUGLO sight sets. as there can be some variance in certain firearms from the information indicated above.
Please be advised, certain SIG pistols (within a given model range) can also have a variety of front sight slide relief cuts which might interfere with the installation of the front sight.
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
TRUGLO and SIG recommend a call to SIG Customer Service (603) 610-3000 with the serial number of your P320 prior to purchase.
SIG will confirm the sight numbers (front/rear) that were factory installed on your pistol.
Below are the recommended sight sets for a SIG P320 pistols:
SIG P320 FULL-SIZE (9mm, .40, .357) #6 front/#8 rear
SIG P320 FULL-SIZE (.45 acp) #8 front/#8 rear
SIG P320 CARRY and COMPACT (9mm, .40, .357 and .45 acp) #8 front/#8 rear
SIG P320 SUB-COMPACT (9mm) #8 front/#8 rear
SIG P320 SUB-COMPACT (.40) #6 front/#8 rear
SIG P320 #8 front/#8 rear
| TFX Pro® | TG13SG1PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG1A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S1W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST1 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST1Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S1 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S1 | Red front sight, green rear square-notch rear |
SIG P320 #6 front/#8 rear
| TFX Pro® | TG13SG2PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG2A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S2W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST2 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST2Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S2 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S2 | Red front sight, green rear square-notch rear |
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.
These are the correct sight sets for a SIG P2022:
SIG P2022 (9mm and .357 SIG caliber) #8 front/#8 rear
| TFX Pro® | TG13SG1PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG1A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S1W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST1 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST1Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S1 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S1 | Red front sight, green rear square-notch rear |
SIG P2022 (.40 S&W) #6 front/#8 rear
| TFX Pro® | TG13SG2PC | Orange FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFX® | TG13SG2A | White FOCUS⋅LOCK™ Front sight, square-notch rear. |
| Tritium Pro | TG231S2W | White FOCUS⋅LOCK™ Front sight, u-notch rear, angled rear for emergency one-hand slide operation. |
| TFO® | TG131ST2 | Green front sight, green rear square-notch rear. |
| TFO® Yellow | TG131ST2Y | Green front sight, yellow rear square-notch rear. |
| Tritium Only | TG231S2 | Green front sight, green rear square-notch rear. |
| Fiber-Optic Only | TG131S2 | Red front sight, green rear square-notch rear |
We can also advise to match up the numbers indicated on your factory front and rear sights, with the corresponding TRUGLO sight sets, as there can be some variance in certain firearms from the information indicated above.
Please be advised, certain SIG pistols (within a given model range) can also have a variety of front sight slide relief cuts which might interfere with the installation of the front sight.
TRUGLO recommends to ONLY have these sights installed by a professional pistolsmith with appropriate sight installation tools.