lakeracer69 Posted January 28, 2014 Report Posted January 28, 2014 I've finished my DPMS style .308 and the last thing I need to install is the BHO catch. I have read now a couple of times of them breaking. I currently have the one left over from my DPMS LPK. I have a TM lower and the BHO is held captive with a dowel pin and set screw. This gives you a one shot try as once the pin is installed, it can't be removed. Any recommendations for a "good or "best"" BHO. Maybe one made from billet? Or should I just use the one that came with the DPMS LPK and hope for the best? It would be nice to have it installed when I first fire this rifle at the range, as I also have an adjustable gas block as well. TIA
Robocop1051 Posted January 28, 2014 Report Posted January 28, 2014 (edited) I have a spare bolt latch. There are none like it. It is a very rare SI-DEFENSE, made from billet stainless steel. It's oversized at the catch point, as they designed it specifically for their .308 rifles. Bigger, more rugged and built from stronger material. I only replaced it with a Phase5 because I wanted the right side control features. I'll put it back if I find a lever that'll attach to it. It cost me $78 when they actually made them. I don't think they make them anymore, so your best shot at getting one is to convince an original owner to sell. It's not the most affordable option... but you asked for the best, and that always costs more. Edited January 28, 2014 by Robocop1051
Toolndie7 Posted January 28, 2014 Report Posted January 28, 2014 I've finished my DPMS style .308 and the last thing I need to install is the BHO catch. I have read now a couple of times of them breaking. I currently have the one left over from my DPMS LPK. I have a TM lower and the BHO is held captive with a dowel pin and set screw. This gives you a one shot try as once the pin is installed, it can't be removed. Any recommendations for a "good or "best"" BHO. Maybe one made from billet? Or should I just use the one that came with the DPMS LPK and hope for the best? It would be nice to have it installed when I first fire this rifle at the range, as I also have an adjustable gas block as well. TIA that pin in the TM lower should be a fairly loose fit and it IS removeable as long as its not bottomed out and forced into the hole. Ive had mine in and out several times. A tap on the recv will drop it right out. However If that pin gets sheared or distorted while in the hole THAT would be a problem though.
Dane Armory Posted January 28, 2014 Report Posted January 28, 2014 I've finished my DPMS style .308 and the last thing I need to install is the BHO catch. I have read now a couple of times of them breaking. I currently have the one left over from my DPMS LPK. I have a TM lower and the BHO is held captive with a dowel pin and set screw. This gives you a one shot try as once the pin is installed, it can't be removed. Any recommendations for a "good or "best"" BHO. Maybe one made from billet? Or should I just use the one that came with the DPMS LPK and hope for the best? It would be nice to have it installed when I first fire this rifle at the range, as I also have an adjustable gas block as well. TIADO NOT USE the Dowel pin ! ! ! Use the set screw ! The dowel pin will catch in the threads at the bottom of hole.
shibiwan Posted January 28, 2014 Report Posted January 28, 2014 DO NOT USE the Dowel pin ! ! ! Use the set screw ! The dowel pin will catch in the threads at the bottom of hole. LISTEN TO THE MAN! You should be using this instead of a dowel pin on the 308
Dane Armory Posted January 28, 2014 Report Posted January 28, 2014 Dowel pin and set screw and another set screw. Set screws have hex head.
EasyEJL Posted January 28, 2014 Report Posted January 28, 2014 that does not look like a 308 bolt catch pin setup to me.where was that LPK from?
Dane Armory Posted January 28, 2014 Report Posted January 28, 2014 that does not look like a 308 bolt catch pin setup to me.where was that LPK from?I am not sure which brand lower it is to . The picture Shibiwan posted is the TM brand screw set provided with their Lower. I have both of mine installed.
EasyEJL Posted January 28, 2014 Report Posted January 28, 2014 yeah, for 308 specific LPKs I've only seen that style screw like shibiwan posted. basically what your picture is of in the end is just that same thing as shibiwan posted, but in 2 pieces :)
texas30cal Posted January 29, 2014 Report Posted January 29, 2014 Neither of those are what come with the TM lower, they send a set screw and a hardened solid dowel pin, the pin in the pic is a roll pin you would definitely never get that out if the hole is drilled the correct size, I just got another TM lower a couple of weeks ago, I also got the screw/pin combination that I want to use and have not checked yet but it looks like it may be a larger thread, will check right now. How can I post a pic from my I phone?
texas30cal Posted January 29, 2014 Report Posted January 29, 2014 I just checked, the pin is the same diameter as the dpms part but the set screw is smaller and a much finer pitch, will get thread sizes and pitch and repost.
shibiwan Posted January 29, 2014 Report Posted January 29, 2014 (edited) Interesting. The pin I posted is a DPMS pin and my CMMG has an identical pin. Wonder if there's a benefit one way or another (i.e. compared to a solid dowel pin with a setscrew retainer). Edited January 29, 2014 by shibiwan
texas30cal Posted January 29, 2014 Report Posted January 29, 2014 Sure there is a benefit, it will always come out as long as we don't ruin the socket head, the one piece DPMS pin uses a 6/32 thread, TM uses 4-48 for the set screw.
survivalshop Posted January 29, 2014 Report Posted January 29, 2014 Separate pin & set screw leaves out the turning down of a long set screw to make it a pin & DPMS pins are known to break . I know, I had one break , went to an SI Defense, S/S pin & have no problem since & I think its just a turned down set screw also , but stronger . I think TM's idea is a good one .
survivalshop Posted January 29, 2014 Report Posted January 29, 2014 (edited) whoops Edited January 29, 2014 by survivalshop
texas30cal Posted January 30, 2014 Report Posted January 30, 2014 The TM pin is definitely better it should not break, it's ok as long as it comes out.
98Z5V Posted January 30, 2014 Report Posted January 30, 2014 With Seekins Precision doing a 308 billet set now, it'll only be a matter of time before they do their enhanced bolt catch for the 308 rifles. Here's the 5.56 version:
planeflyer21 Posted January 30, 2014 Report Posted January 30, 2014 Read it and it will happen. Was at Sportsman's today looking at 308ARs, and one on the shelf had this very issue! Don't remember the name of the company but it was the first time I'd seen them. Trip.
78transamlvr Posted July 6, 2014 Report Posted July 6, 2014 (edited) When I put in my phase 5 bad lever the bho was breaking as I was taking it out. I made my own. If you would like to hear...I went to lowes got a solid steel pin kit its in a pack( and i dont remember that name of it ) fit the hole(its #6) use a marking device mark both side of the steel pin and use a cutting device and cut the middle of the marks cut it smooth then use a 1/4 length 6/32 steel allen head plug from a hardware speciality store and done. That is what I used on my lr308 it works for me. Some others may not like it but it works for me. Any questions pm me...ebrv2 308 is what I have on mine Edited July 6, 2014 by 78transamlvr
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