Just installed a Law Tactical folder Gen 3M, and it came with a BCG extension that weighs 2oz, and since I ran a 4.65oz H2 buffer before, I figured that going down to a 3oz carbine buffer, when combined with the 2oz plug, gets me 5oz combined which gets the mass close to H2. However when I tried this setup it felt snappier and harsher recoiling than before, and also ejecting further forward. Installing an H1 tamed it down some, but I’m stumped why this is happening, shouldn’t the same recoiling mass behave the same way? I’m using a standard carbine buffer tube and carbine spring.
The general recommendation I’ve seen is to go down one buffer weight.
My personal, limited experience was that it didn’t matter.
Not a direct answer, but I have a LAW folder on my 11.5 BCM, running both with a can and without I’m having no problems with an H3 buffer.
My Law G3 runs perfectly unsuppressed.
- 7.5" barrel
- Pistol length gas
- Pistol buffer tube
- 3 oz carbine buffer
H2 with a BCM 11/5" “Pistol”. No problems.
BCM Kino 12.5” runs unsuppressed with an A5H2.
Not really a surprise.
Currently using this lower on a 14.5" P&W Colt barrel with carbine gas system, although I’m getting an 11.5" Colt barrel soon. Been running H2.
I’m just rather confused why the added mass of the BCG plug doesn’t affect the operating system the way I think it should. Perhaps lysander would have any kind of data on this?
The G3M law folder has been tested by Crane and given an NSN so I would think they have some data on this.