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Old 01-01-2014, 09:59 PM #1
kkpatel87
 
 
Join Date: Jan 2014
RAP4 468 Battle Rifle

Hi! This is my first post on PBN, i thought i would show off one of my primary markers:

Battle Rifle:



RAP4 468 Scarab Arms Lower Receiver
RAP4 Mil Spec Solid Line Remote Adapter
Magpul MIAD Grip (Modded)
Magpul MOE Fixed Carbine Stock (Modded)

RAP4 468 Upper Receiver
RAP4 16" Barrel
RAP4 XM177 Compensator (not pictured)
AIM Sports Holographic Sights
Samson Evolution Series 12.37" Free Float Handguard
Tactical Intents AR15 Barrel Nut

CQB:


RAP4 468 Scarab Arms Lower Receiver
RAP4 Mil Spec Solid Line Remote Adapter
Magpul MIAD Grip (Modded)
Magpul CTR Carbine Stock

RAP4 468 Upper Receiver
RAP4 8" Barrel
RAP4 A2-style Compensator
Midwest Industries Gen2 SS-Series 7" Free Float Handguard
BSA Optics Microdot w/High Riser

Let me know what you guys think!

Last edited by kkpatel87 : 01-04-2014 at 06:52 PM.
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Old 01-02-2014, 08:33 AM #2
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A little long for my personal tastes, but looks really good! Can't wait to see your CQB pics!

How has the 468 treated you? I haven't heard much about it or its performance.
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Old 01-02-2014, 07:53 PM #3
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Quote:
Originally Posted by Shocker_Monkey View Post
A little long for my personal tastes, but looks really good! Can't wait to see your CQB pics!

How has the 468 treated you? I haven't heard much about it or its performance.
I like the battle rifle length, its a bit intimidating though for some of the players on the field (in a bad way) so i try and not be a d*** on the field.

The 468 is pretty decent, the fact that i can use almost any AR15 accessory is awesome.
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Old 01-04-2014, 06:53 PM #4
kkpatel87
 
 
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Updated OP to include CQB SBR!
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Old 01-04-2014, 07:00 PM #5
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cool markers
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Old 01-25-2014, 03:39 PM #6
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Awesome, where did you get your handguards and the scarab arms mag well?
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Old 01-25-2014, 06:02 PM #7
kkpatel87
 
 
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The rifle handguard is a Samson Evolution Series 12.37" Free Float Handguard:

The CQB handguard is a Midwest Industries Gen2 SS-Series 7" Free Float.

For using scarab arms magazines you can either get the complete lower assembly or the conversion kit
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Old 01-25-2014, 09:05 PM #8
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Was it worth the money? I hear... not the best reviews on RAP4, of course that has changed recently.
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Old 01-27-2014, 06:02 AM #9
scottallen1986
 
 
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I took my new (to me anyways) 468 out to an outdoor range to test it out and sight it in with FS rounds and it's very accurate. I'm so far very impressed with this marker. I too have been wary of RAP4 and have talked with a lot of guys who have the dmags and the conversion kits, and all have said the same thing that it works great for regular paint but FS doesn't work too well.

I was able to, even in a high wind, sight in my 468 at 50 and 75 yards at an outdoor range today @260-270 FPS for FS and around 250 for regular paint.


I modded mine fairly significantly compared to all the other 468's I've seen so far. The tank in stock is neat and looks cool, but it's not practical as they have it set up. Removing the tank is a pain because there is no way to depressurize the gun. No ON/OFF. It causes you to have to look down the gun too much without a scope riser, and it's almost impossible to shoot regular paint accurately without a scope because you can't aim down the barrel. That's why the DAM's stock slopes down the way it does. So I put a CP ON/OFF ASA on the bottom of the grip and macrolined it to the back of the gun. I had to put screws into the bottom of the grip and then epoxy puttied the whole thing to keep it secure. It's rock solid now. (To remove the grip, if I ever want to change it out, I'll have to hacksaw off the grip as the little door on the bottom is encased on both sides with epoxy and screwed onto the ASA.)

I put a Palmer CA CART regulator between the macroline and the back of the gun. I set it for 550 psi.

I changed out the stock spring, which is very strong and is why out of the box the 468 shoots very hot. I used an old Spyder spring and then screwed in the velocity adjuster most of the way. So with the less strong spring and the lowered pressure I'm getting quieter shots and more of them.

I put two reddots on it. One in the very front that's green set for 50 yards. The second on a milsig adjustable riser set for 75 yards. You look through the back one to see the front one. Works really well.

So with all of that done, and using a .686 finned hammerhead barrel, I was getting 6" grouping at 75 yards at 260-270 FPS in a moderate to high crosswind. This thing is super accurate and is far beyond what I had expected it to be able to perform like. I mostly got it for the lock-bolt system which I had hoped would solve my jamming issues I've had with my Milsig Paradigm Pro. It has. The lock-bolt is great, but I will admit the Scarab Arm's mags are not feeding very well with FS. Or at least the 10 round mags are not. They need more tension and the 18 round mags have a stronger/longer spring that seems to help push the FS all the way into the breach to disengage the lock-bolt and allowing it to fire. I think I'll use the 18 rounders for FS and the 10's for normal paint in those "OH SH*T, outa paint" moments.

I'll look to get pictures later of the whole thing, but I would say, it's worth the money IF:
You shoot FS rounds. (Regular paint accuracy isn't great and there are better regulated normal paint platforms for the same price that are mag fed.)
You put a reg on it. (You need to stabilize that standard blowback or else your velocity will be everywhere compared to equally priced guns.)

You can still keep the tank in stock and have a reg by using the inline CA CART reg, it just extends it out an extra 2 inches. You can also put an inline ON/OFF to help with depressurizing the system. Adding these will add to your total length of your "stock", but it will help a lot.
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Old 01-27-2014, 09:16 PM #10
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Yep, definitely worth the money.
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Old 01-28-2014, 11:25 AM #11
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Quote:
Originally Posted by scottallen1986 View Post
You can still keep the tank in stock and have a reg by using the inline CA CART reg, it just extends it out an extra 2 inches. You can also put an inline ON/OFF to help with depressurizing the system.
So you just added an extra regulator in order to improve your consistency? Or does the 468 not have its own regulator?
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Old 01-29-2014, 04:28 AM #12
scottallen1986
 
 
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Correct it has no on board regulator at all. Out of box it's just a basic blow-back spyder, engine wise. By adding the reg on the back I was able to drop the pressure and improve shot to shot consistency which is paramount for FS.

However, the lock bolt makes it 100% worth the extra cost of getting a reg. It and the fact that you can see the chamber is another great feature.








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Old 01-29-2014, 09:27 AM #13
SharptheJack
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Doesn't having an open chamber kill efficiency? I'd think it was also a hazard with dirt and water getting in there.
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Old 01-29-2014, 09:56 AM #14
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An open chamber like that most likely wouldn't have much affect on efficiency. The blast of air from the valve and through the bolt doesn't occur until the bolt has moved forward beyond the area that is open. Not all that different from the open area of the feedneck where paint comes into the breach.
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Old 01-29-2014, 10:05 AM #15
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That makes sense, but what about the dirt/ moisture issue?
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Old 01-29-2014, 10:08 AM #16
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Is it worth it

I have been playing with the same Tippman 98 Custom (Silver Edition) since 2003, Now I have updated it so much it still is a power horse. I have been wanting to upgreade but is it truly worth the 500 dollar plus price tag to goto Rap4.?
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Old 01-29-2014, 10:11 AM #17
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Quote:
Originally Posted by SharptheJack View Post
That makes sense, but what about the dirt/ moisture issue?
That could be an issue. I know with the Tacamp MKPII kit you can get a window for the lok-bolt but its a clear piece of plastic.

Having a hole in the side of the gun could definitely introduce crud into the breach. Maybe some clear packing tape?
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Old 01-29-2014, 05:11 PM #18
scottallen1986
 
 
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Yea stuff can get in there, but when shooting FS, which is what this marker will be doing 90% of the time, you NEED to be able to:

1. Have an anti-chop/jam mechanism.
2. Be able to clear said jam, quickly and easily.
3. Be able to troubleshoot WHY jamming is occurring.

Yea stuff can get into there, but it's not something I foresee being a huge issue. If it does, I'll just do as the guy above suggested and go with clear packing tape.

But the lock-bolt is great because it helps prevent the FS from chopping when not loaded correctly, and the window can let you see you have one in the chamber AND can see if it's engaging the lock-bolt. So far, I'm really liking it.

I'd say it's worth the $, IF you want to shoot FS. For regular paint, you can trick out an MR5 for less and get better normal round performance, but you're stuck with lower quantity mag volumes.
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Old 02-01-2014, 11:39 PM #19
Varanus Komodoensis
 
 
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awesome marker..im gettting one soon
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Old 02-03-2014, 10:46 AM #20
kinfolkj
 
 
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They are some beautiful markers there sir..
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Old 02-03-2014, 12:01 PM #21
kkpatel87
 
 
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Thanks! ill post some updated photos soon!
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