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Guide rod dimension help please!


obsessiveshooter
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Hi Guys,

I have a project gun here, a SAR9, that I think will be a fun sleeper production pistol. The top end is EXTREMELY gen4 glock-ish, and I need to get an appropriate rate RS into it. At the shop when I picked it up, we tried a g17 RS in it and it was about 1/16" too short to touch & stay in place.

 

Can you guys look at these dimensions and tell me how this is different, if at all, from standard glock?

 

I used to shoot a g35 gen4 in limited with a captured jager guide rod. Before the jager I had a lone wolf rod with adapter and it caused all sorts of issues.

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Did you try the Gen. 4 rod for the G35? It’s a little longer than the G17 rod
The shop didn't have a g34/5 on hand,and I no longer own my old g35 so I couldn't try it. How much longer is that guide rod? I could trim any of your guide rods down to my SAR9s max length of 3.32x", as long as the head is close in diameter, and as long as the recessed hole or thru-hole in a glock slide is similar for your bushing.
I've already got a 13lb wolf spring ordered.

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Stock Gen4 RSA out of a G17:

OAL - 3.228"

Diameter (front) - 0.447"

Diameter (front step) - 0.522"

Diameter (rear) - 0.498"

 

Now for the measurements you asked for in you last post:

GR where it sits against the barrel - 0.498"

Hole in the end of Glock slide - 0.453"

Diameter of the recessed hole in the inside of the slide - 0.533"

 

I replaced this RSA with a Jager heavy uncaptured guide rod for a Gen3 G17 and use their adapter bushing with a 12lb Wolff spring.  Dimensions on the GR are:

OAL - 3.204"

Diameter (front of bushing) - 0.448"

Diameter (bushing step) - 0.520"

Diameter (rear) - 0.415"

 

This setup has been reliable for approximately 8k rounds.

 

 

 

 

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Stock Gen4 RSA out of a G17:
OAL - 3.228"
Diameter (front) - 0.447"
Diameter (front step) - 0.522"
Diameter (rear) - 0.498"
 
Now for the measurements you asked for in you last post:
GR where it sits against the barrel - 0.498"
Hole in the end of Glock slide - 0.453"
Diameter of the recessed hole in the inside of the slide - 0.533"
 
I replaced this RSA with a Jager heavy uncaptured guide rod for a Gen3 G17 and use their adapter bushing with a 12lb Wolff spring.  Dimensions on the GR are:
OAL - 3.204"
Diameter (front of bushing) - 0.448"
Diameter (bushing step) - 0.520"
Diameter (rear) - 0.415"
 
This setup has been reliable for approximately 8k rounds.
 
 
 
 
Thank you so much!!!
That was incredibly helpful and exactly what I needed. Thanks again!


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