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Posted: 5/4/2011 9:48:03 AM EDT
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When it comes to LPKs, does one brand make better than the other?
Spikes, DD, Stag, Palmetto How do I chose? |
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I've used RRA, DPMS, RB Precision, Daniel Defense, Palmetto State Armory, J&T/Doublestar, Delton, CMMG, and maybe a couple others without any major issues so far. RRA uses coiled roll pins which are a bit easier to install than some of the others. Palmetto kits seem to be an excellent buy for the money right now. DPMS ones are cheap but tend to have crappier triggers, nothing a few passes with a 1000 grit stone can't fix. I've seen one bad bolt hold open from DPMS, but it wasn't on my rifle, the catch was warped. The J&T kits I got seemed to have some rough finishing on the selectors. I plan to use a spikes kit before too long, probably after they come in stock at AIM again for $63 shipped. |
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My older builds have bushmaster LPKs, and my newest have PSA LPKs.
The Bushmasters were among the best when I built before. IMHO the Palmetto LPKs are very high quality. All the parts are well finished, and dimensionally correct. They dropped right into the JD Machine lower I assembled last week without any customizing (hand filing) or slop. Trigger feel is better than the Bushmasters, with slightly less effort to release the trigger (softer springs?). PSA is running some excellent deals right now with a Group Buy on the MOE Lower Build Kit. $125 with a MOE stock, pistol grip, trigger guard, and PSA LPK. I think if you work around their online prices, ordering the right numbers, you can get the MOE handguard for about $15-$20 more. |
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I don't like the new style selectors that some companies are using now. Example? I'm curious too. I've seen some different selector designs on rifles, and I thought they were after market. All the LPK's I've seen (and and the ones installed on my own lowers) have all had the same type of selector (different finishes sometimes) but nonetheless they all look alike. I do have an ambi BAD-ASS Selector from Battle Arms Development on my Colt, and the designs on their levers are a little different. |
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I don't like the new style selectors that some companies are using now. Example? I'm curious too. I've seen some different selector designs on rifles, and I thought they were after market. All the LPK's I've seen (and and the ones installed on my own lowers) have all had the same type of selector (different finishes sometimes) but nonetheless they all look alike. I do have an ambi BAD-ASS Selector from Battle Arms Development on my Colt, and the designs on their levers are a little different. Maybe he is taking about our standard mil-spec safety selector lever? The selector level hump extends further up to the center of the selector drum. It's almost identical to a 6920 or 6921, maybe even others models. The Government contractor who supplies us with hammers, triggers, disconnects, and safety selectors, also supplies Colt with apx. 30k per month. Only difference between our parts and the parts Colt uses, is we spec a true rounded M16 hammer that's De-milled, Colt uses a Notched AR15 specific hammer. The Colt selector has detent groves on both sides so the safety can be installed from either direction (ambi). Ours only has a grove on one side like most common selectors. We spec the hammer and trigger engagent surfaces to be Jeweled after the grinding process. I don't know of anyone else doing that. It basically gives it a smooth trigger pull right out of the box. |
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I don't like the new style selectors that some companies are using now. Example? I'm curious too. I've seen some different selector designs on rifles, and I thought they were after market. All the LPK's I've seen (and and the ones installed on my own lowers) have all had the same type of selector (different finishes sometimes) but nonetheless they all look alike. I do have an ambi BAD-ASS Selector from Battle Arms Development on my Colt, and the designs on their levers are a little different. Maybe he is taking about our standard mil-spec safety selector lever? The selector level hump extends further up to the center of the selector drum. It's almost identical to a 6920 or 6921, maybe even others models. The Government contractor who supplies us with hammers, triggers, disconnects, and safety selectors, also supplies Colt with apx. 30k per month. Only difference between our parts and the parts Colt uses, is we spec a true rounded M16 hammer that's De-milled, Colt uses a Notched AR15 specific hammer. The Colt selector has detent groves on both sides so the safety can be installed from either direction (ambi). Ours only has a grove on one side like most common selectors. We spec the hammer and trigger engagent surfaces to be Jeweled after the grinding process. I don't know of anyone else doing that. It basically gives it a smooth trigger pull right out of the box. Thanks for the response badazzar15. I have a new build I would like to complete. I do have some LPK's that I can use, but I might try one of your LPK's to support Spikes and see how it works out for me. Be Safe. Joe |
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Maybe he is taking about our standard mil-spec safety selector lever? The selector level hump extends further up to the center of the selector drum. It's almost identical to a 6920 or 6921, maybe even others models. The Government contractor who supplies us with hammers, triggers, disconnects, and safety selectors, also supplies Colt with apx. 30k per month. Only difference between our parts and the parts Colt uses, is we spec a true rounded M16 hammer that's De-milled, Colt uses a Notched AR15 specific hammer. The Colt selector has detent groves on both sides so the safety can be installed from either direction (ambi). Ours only has a grove on one side like most common selectors. We spec the hammer and trigger engagent surfaces to be Jeweled after the grinding process. I don't know of anyone else doing that. It basically gives it a smooth trigger pull right out of the box. Indeed I am. It's not a knock against Spike's or any other company that offers that style, I just don't like the look of it. |
| I've used 1 DPMS and 2 Palmetto LPK's, Palmetto coming out way ahead with both kits for the trigger. The DPMS trigger is gritty as hell with a lot of travel compared to the Palmetto triggers. I could have just gotten a crappy DPMS kit, but both of the Palmetto ones were really nice. |
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I've had good luck with Stag & Bushmaster. Bad luck with RRA, Armalite, Oly & DPMS. What type of bad luck did you have with the RRA, Armalite, Oly and DPMS? RRA: Out of spec hammer, replaced under waranty. Armalite: Out of spec "two stage" trigger. Oly: broken mag catches, broken bolt catches collapsed springs DPMS: oversized split pins instead of roll pins. |
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I might try one of your LPK's to support Spikes and see how it works out for me.
Might also give one a try when AIM gets some more. I usually jewell my own using Colt parts. Think I have two more Colt M-16 lpk's that I might just hang on to and try something different. The man says it's the same stuff. I paid more for the Colt marked stuff than AIM gets for Spikes. Depends on cashflow. |
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I've used a DD and Palmetto LPK recently. Both had S/S marked hammers, the Palmetto was rounded and the DD was notched.
S/S markings are from these guys. http://www.lwschneider.com/parts.html If you need 500 pieces you can buy from them too. 
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