AR Sponsor
Posted: 11/19/2013 7:00:02 AM EDT
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I know this may be a dumb question, but Im kinda a dumb guy when it comes to changing gun parts. I just purchased a YH free float rail. I want t get a low profile gas block. But I dont know which one or size I will need. Also will replace gas tubes. I have an eotech and flip sights in my shopping cart aswell. Any other parts I need?
My AR - DPMS AP4 with a 16" barrel. |
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If you have a thin/pencil profile you will need the .625 gas block. Medium/M4 profile .750. It looks like you'll use the .750
No need to replace the gas tube, just remove the roll pin from the Front sight base with a punch. Save the gas tube, and reinstall the gas tube and roll pin. If you really want to spend the $$$ to replace to gas tube it looks like you'll need a carbine length tube, but like i said that's not necessary. |
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Quoted:
.750 low profile gas block. If it were me, I would just cut that FSB to make the lo pro gas block. It will be a much more solid gas block. What FF rail are you looking at? There are better, lighter rails available. I agree with this. Set screws won't ever be as rock solid as a factory pinned gas block. |
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Quoted:
.750 low profile gas block. If it were me, I would just cut that FSB to make the lo pro gas block. It will be a much more solid gas block. What FF rail are you looking at? There are better, lighter rails available. I was looking at the YH Todd Jarrett tube in extended carbine. Great looking tube and I like the mostly smooth aspect with quad rail up front. Any better rails that are similar in design that would be better? |
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Quoted:
I was looking at the YH Todd Jarrett tube in extended carbine. Great looking tube and I like the mostly smooth aspect with quad rail up front. Any better rails that are similar in design that would be better? Quoted:
Quoted:
.750 low profile gas block. If it were me, I would just cut that FSB to make the lo pro gas block. It will be a much more solid gas block. What FF rail are you looking at? There are better, lighter rails available. I was looking at the YH Todd Jarrett tube in extended carbine. Great looking tube and I like the mostly smooth aspect with quad rail up front. Any better rails that are similar in design that would be better? Many. YH is okay stuff, I guess. Just my opinion of the products I have seen from them: Here is the spec on the YH: Extended Carbine Handguard Length: 9.29” Weight: 12.64 oz Inner Diameter: 1.75” Width/Height: 2.43” Designed to allow use of a fixed A2 front sight I have that model/design in an APEX. It is a quality piece, and lighter, Here is the specs from their site, and a pic: The Apex Extended Carbine Length handguard has a cutout portion for clearance around the front sight. This extends the useful gripping and accessory mounting area of the handguard. Over-all length: 8.5" Weight with hardware: 8.1 oz. Includes handguard, clamp, and hardware Inside diameter: 1.75" INSIDE CLEARANCE DIMENSIONS: .925'' ABOVE, .825'' BELOW CENTER OF BORE Outside diameter: 1.970" 
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AR Sponsor