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NJ, USA
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How hard is it to convert my gas ar to a piston, i see the kits for sale and could anyone reccomend a kit for me
thanks |
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AL, USA
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Posted: 9/30/2011 3:34:34 AM EST
scottchismar,
depending on your current setup and which kit you choose, can be very easy to moderately easy. you will need a few tools and some basic AR assembly knowledge, the knowledge is on this board and the rest of the net. let me know what you are thinking and ill talk you thru it. fatkid |
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NJ, USA
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Posted: 9/30/2011 3:39:58 AM EST
i have a s&w mp15 carbine in 5.56, the only tool i dont have is that block for removing the gas block wich i'm not 100% that i need it. is there a certian kit you would reccomend?
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NC, USA
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Posted: 9/30/2011 3:44:30 AM EST
Adams Arms or Osprey. I hear people gush about the AA stuff.
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Posted: 9/30/2011 4:35:10 AM EST
[Last Edit: 9/30/2011 4:38:22 AM EST by UnderSeaVeteran]
Originally Posted By scottchismar:
i have a s&w mp15 carbine in 5.56, the only tool i dont have is that block for removing the gas block wich i'm not 100% that i need it. is there a certian kit you would reccomend? That block isn't necessary. It's helpful if you have one but you can use the wooden handle of an extra hammer or something similar. I will tell you that it is a PITA knocking those pins out of that gas block though. Also, a good tool to have is an upper receiver block or vise. Makes the task of lining up the new block a lot easier IMO. I also used a small liquid level. I went with the Adams Arms kit. No regrets what so ever with that decision. |
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NJ, USA
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Posted: 9/30/2011 5:11:58 AM EST
I'm looking forward to it. I have a few ar's and thinking i'll be converting a few of them to piston, I'm sure the pins will be a fun task but i think it will be worth it
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Posted: 9/30/2011 6:03:09 AM EST
If I was going to put my toes in the water the Osprey kit looks like it takes at most 15 minutes to covert with most of that time spent getting the handguards off and back on!
Remove the handguards; knock out the roll pin and remove the gas tube; insert the piston parts and reinsert the roll pin; replace the handguards. Swap the bolt carrier. I jumped in with a pair of LWRC carbines so have not tried the Osprey. –– Chuck |
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CHL
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Posted: 10/1/2011 7:06:18 AM EST
Originally Posted By Chuck:
If I was going to put my toes in the water the Osprey kit looks like it takes at most 15 minutes to covert with most of that time spent getting the handguards off and back on! Remove the handguards; knock out the roll pin and remove the gas tube; insert the piston parts and reinsert the roll pin; replace the handguards. Swap the bolt carrier. I jumped in with a pair of LWRC carbines so have not tried the Osprey. –– Chuck +1. I love Osprey and AA, both are for different applications. I like osrepy on non-freefloat barrels and AA on free-float ones. Also on osprey is a PITA to put the pin on the Gas Block, but one it's in, it's rock solid. |
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Posted: 10/1/2011 10:47:38 AM EST
[Last Edit: 10/1/2011 10:47:50 AM EST by Chuck]
Is the pin more difficult to insert than the pin that secures the gas tube? Just wondering.
–– Chuck |
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NY, USA
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Posted: 10/1/2011 12:11:11 PM EST
+1 for AA
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CHL
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Posted: 10/2/2011 10:24:03 AM EST
The gas tube pin is a roll pin. The osprey one is a solid steel pin. I bend one trying to put it in. Thanks goodness osprey kit comes with 2 pins, The second pin I started from the left side instead, and had to hammer it really hard. TripleBravo did a review here, but since the osprey forum went away you can't find it anymore
http://www.weaponevolution.com/forum/showthread.php?2287-Osprey-Defense-OPS-416-piston-retrofit-kit He used 2 kits, the old one and the new one. I have the new one, and works like a clock. As always I recomend my friend an Osprey Kit for non-freefloat barrels, and AA for freefloat ones |
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Posted: 10/2/2011 1:20:31 PM EST
Originally Posted By -Carnage-:
As always I recomend my friend an Osprey Kit for non-freefloat barrels, and AA for freefloat ones why? it seems to me that the Osprey kit would be better since it's a lower profile. |
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CHL
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Posted: 10/2/2011 5:32:09 PM EST
[Last Edit: 10/3/2011 5:46:33 AM EST by -Carnage-]
Originally Posted By EGSMachine:
why? it seems to me that the Osprey kit would be better since it's a lower profile. 2 Resons: 1st: Handguard Option: With Osprey you pretty much got only Spike's BAR and MI freefloat handguard, and that's ALL YOU GOT! With AA you got a lot more, including DD handguards 2nd: Cleaning: With Osprey you have to remove the handguard to clean the piston, not a big deal with drop-in handguard, but with freefloat handguards it's another thing. With AA you remove the piston from the front, so it's not a big deal with freefloat handguard. As you said, osprey is low profile, and I love that because it allows you to have a safe Kino or Dissapator configuration. |
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