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I have an Adams Arms (marked Huldra b/c Fleet Farm Brand) piston upper. It has an 18 inch fluted, chrome lined, medium weight Sabre defense barrel and bolt. Twist is 1 in 7.5. Less than 250 rounds...

I checked my gas system, and the adjustable gas block doesn't restrict gas, and the block is loose. The set screws are red loc-tited on, I must not have torqued them down enough when I put it on. I...

Ammo does fit the chamber, and the rifle cycles. I have shot ~ 200 rounds of Wolf and it functions fine, but I get the signs of brass flowing on the bolt head. I shot Hornady for the first time last...

I am using the bolt that came with the Sabre barrel, I believe it is the recessed. From the front of the bolt to the bolt face I get .15 inches. This is deeper than the M1S 7.62x39 bolt I have.

My Grendel has too little headspace, and I have a chrome lined Sabre Defense barrel. I believe Sabre is out of business.

Since the barrel is chrome lined, I don't think you can ream it deeper, at...

Add a stainless steel suppressor with adjustable gas block. Besides dampening the recoil, the concussion stops, too. The noise of course decreases as well. You will need an adjustable gas block as it...

The point is the 5.56 mount is shorter and lighter, which might be worth the hassle for someone building a carbine that is light and short as possible.

YHM is discontinuing their 5.56 QD mount in 9/16/24, which most Grendel barrel muzzle threads are. The 7.62 can fits on this mount. Since the bore is made for 5.56, the bore of the mount needs opened...

I have the Vortex 2.5-10x44 PST and I really like it. Unless you routinely shoot > 500 at paper I'd go with the lower power scope, keep it as simple as possible. For moving targets (hunting,...

First, establish a budget, it is easy to spend more on the optic than the rifle! (although to be fair, you can move the optic from rifle to rifle). Second, what is the main purpose of the rifle?
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I have a YHM 7.62 QD can. It is more of an entry level can, I think I paid $700 for a new one. I found an add for another one on AR15.com:...

Man, what an awesome deal! Too bad they are out of stock. I love CMMG's triggers. The brass buffer makes them nice and smooth.

I have the Vortex PST 2.5-10x44 in the MOA version and I love it. Ranging in MOA is really easy to do. I can't comment on the other scopes mentioned, but I do own a Leupold VX3 with the CDS knobs. I...

Sold

I don't think you need a magnified optic for 100-200 yards.

I own 2 Eotechs and 1 Aimpoint T1 micro (which I am currently trying to sell). The Aimpoint is lighter, but otherwise I prefer the...

SOLD I am selling an excellent Aimpoint T1 Micro with QD LRP mount for $500, shipped. (the LRP riser allows for lower 1/3 co-witness with iron sights when mounted on an AR15 rail) Minimal use, the...

Hi, I started a thread about similar problems: http://www.65grendel.com/forum/showthread.php?3030-Increases-case-pressure-signs-with-Wolf-120-MPT (althought mine functioned O.K.). My barrel is 18...

I'd love to have one of those Mega monolithic uppers, great choice. Drifter, why does the M16 bolt work better, and it would need to be modified to be legal, right?

Find a good class 3 dealer that will walk you through the whole process. I have a great one, even called the Sherrif for me to give him a heads up. IMO, it's well worth it to do this, rather than...

I already have the 5.56 Noveske switchblock on. The 5.56 has the smaller port than the 6.8 version, so it should reduce pressures in the system.

Thanks, Bill for your advice! I will try some...