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Posted: 9/30/2011 6:04:30 AM EST
Who carries those hammers? I'm looking to replace one or two notched hammers with the rounded types for a 22 conversion. I find a few here and there but the brand always seem like one I wouldn't want to buy.
Link Posted: 9/30/2011 6:27:44 AM EST
Buy an M16 hammer. If you are uncomfortable with it, cut off the hook.
But there is nothing illegal about having one in your rifle. **



**ibss
Link Posted: 9/30/2011 6:39:26 AM EST
I have 2 Stag Arms LPKs, and both came with rounded hammers.
Link Posted: 9/30/2011 6:50:36 AM EST
id also get some kns pins, the .22 conversions tend to break regular pins..
Link Posted: 9/30/2011 7:11:22 AM EST
DPMS sells rounded hammers.
Link Posted: 9/30/2011 8:43:52 AM EST
M16 hammers are considered to be machine gun parts, and installation in an AR is illegal unless the hammers have been altered to semiauto specs.

PSA (palmetto state armory) sells rounded semiauto hammers, and supplies them in their LPKs (they often have LPKs on sale starting at $40-$43, and you can get a PLK with MOE or ERGO pistolgrip and trigger guard for about $10 more).

I suggest buying a LPK instead of just the hammers, using the whole LPK, and parking any used parts you remove (that are still servicable) in your spare parts bin.
Link Posted: 9/30/2011 8:48:29 AM EST
Armalite uses rounded hammers as well.
Link Posted: 9/30/2011 9:00:15 AM EST
As does Daniel Defense
Link Posted: 9/30/2011 9:11:59 AM EST
Originally Posted By occasionalvisitor:
M16 hammers are considered to be machine gun parts, and installation in an AR is illegal unless the hammers have been altered to semiauto specs.

PSA (palmetto state armory) sells rounded semiauto hammers, and supplies them in their LPKs (they often have LPKs on sale starting at $40-$43, and you can get a PLK with MOE or ERGO pistolgrip and trigger guard for about $10 more).

I suggest buying a LPK instead of just the hammers, using the whole LPK, and parking any used parts you remove (that are still servicable) in your spare parts bin.


I recently ordered two MOE LPKs from PSA but got them minus the FCGs as I already had some spare ones laying around. lol I see CMMG offers them as well.

Link Posted: 9/30/2011 9:49:20 AM EST
Originally Posted By albatrossarmament:
As does Daniel Defense


Not in my experience.
The last two Daniel Defense lower parts kits I got did NOT have rounded hammers. I was disappointed, to say he least.
Link Posted: 9/30/2011 11:38:18 AM EST
J&T lpk's also come with rounded hammers.
Link Posted: 9/30/2011 11:59:37 AM EST
CMMG sells rounded hammers. About $20
Dave N
Link Posted: 9/30/2011 1:14:07 PM EST
Check Palmetto.

I wouldn't put an unmodified M16 hammer in an AR, but that's just me.
Link Posted: 9/30/2011 2:33:51 PM EST
Originally Posted By TheJammer:
Check Palmetto.

I wouldn't put an unmodified M16 hammer in an AR, but that's just me.


I don't see any reason to unless you had one sitting around for some reason. Lots of places sell rounded hammers.
Dave N
Link Posted: 9/30/2011 3:33:25 PM EST
What do rounded hammers do compared to ones that arent??
Link Posted: 9/30/2011 3:45:19 PM EST
Originally Posted By Scuds03:
What do rounded hammers do compared to ones that arent??


Originally Posted By BamaInArk:
Who carries those hammers? I'm looking to replace one or two notched hammers with the rounded types for a 22 conversion. I find a few here and there but the brand always seem like one I wouldn't want to buy.
Link Posted: 9/30/2011 3:46:10 PM EST
Originally Posted By Scuds03:
What do rounded hammers do compared to ones that arent??


Rounded hammers are recommended if using one of the .22 LR conversion kits. Notched hammers may or may not work as well.

Link Posted: 9/30/2011 3:46:49 PM EST
[Last Edit: 9/30/2011 3:47:21 PM EST by ssgjason]
Originally Posted By Scuds03:
What do rounded hammers do compared to ones that arent??


There are 22 conversion kits that require a rounded hammer

ETA Dammit beat two times
Link Posted: 9/30/2011 3:50:17 PM EST
[Last Edit: 9/30/2011 3:52:20 PM EST by ssgjason]
Originally Posted By occasionalvisitor:
M16 hammers are considered to be machine gun parts,and installation in an AR is illegal unless the hammers have been altered to semiauto specs.

PSA (palmetto state armory) sells rounded semiauto hammers, and supplies them in their LPKs (they often have LPKs on sale starting at $40-$43, and you can get a PLK with MOE or ERGO pistolgrip and trigger guard for about $10 more).

I suggest buying a LPK instead of just the hammers, using the whole LPK, and parking any used parts you remove (that are still servicable) in your spare parts bin.



Please provide proof of this statement.
Also Colt has now been sending their 6450 out with an m16 hammer, although I am sure they have a letter
http://www.ar15.com/forums/t_2_29/184697_Colt_6450_small_pins_.html
Link Posted: 9/30/2011 4:56:05 PM EST
I think rounded hammers are just smoother.I shoot alot and ive rounded notched hammers through use and notched hammers were only used to catch on to unshrouded carriers back in the day.
Link Posted: 9/30/2011 6:32:22 PM EST
Originally Posted By sic_ness:
Originally Posted By albatrossarmament:
As does Daniel Defense


Not in my experience.
The last two Daniel Defense lower parts kits I got did NOT have rounded hammers. I was disappointed, to say he least.


I believe they switched to rounded hammers a few months ago. An older DD LPK I have has a notched hammer and I recently just got 2 more that have rounded hammers. I don't mind the notched hammer; that FCG has a great trigger pull.
Link Posted: 9/30/2011 7:03:25 PM EST
Spikes has rounded hammers as well. The last LPK I got from Stag had a notched hammer.
Link Posted: 10/1/2011 7:23:22 AM EST
LWRC coated FCG is rounded hammer. I spent awhile a year or so ago actually looking for a "good" LPK with a rounded hammer.
I don't doubt the notched one functions fine but it just seems.. Odd, to run it with an M16 carrier. Plus a .22 upper is still in my future.
Link Posted: 10/1/2011 9:46:23 AM EST
Originally Posted By pun:
I think rounded hammers are just smoother.I shoot alot and ive rounded notched hammers through use and notched hammers were only used to catch on to unshrouded carriers back in the day.


^^ This, I only put rounded hammer in my ARs. It's the closest thing to a mil spec M16 hammer.
Link Posted: 10/1/2011 9:55:59 AM EST
[Last Edit: 10/1/2011 9:59:48 AM EST by M4A1]
Just in case there are newbies that have no clue what we are talking about......

Full auto hammer, has the hook to catch the auto sear.


Semi auto hammer, un notched like the full auto hammer, but has no hook to catch auto sear.


Semi auto hammer (notched):

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