Bcm A5 Buffer Tube, Does anyone know/can tell me if the BCM MK2 buffer tube has the same internal length as the vltor A5?The tube that is currently offered for sale by BCM, which they won’t say if it’s A5 A5 receiver extension (buffer tube) machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. Machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. Any benefits beyond length of pull? Does it change felt BCM MK2 Buffer System offers a longer 8-position receiver extension, rifle-length action spring, and adjustable buffer weights (3. Our selection of AR15 buffers and stock parts comes in many variations to meet your rifle's specific needs. Mil-Spec receiver extensions have a slightly smaller dimension where the stock Our Intermediate Buffer Kits include everything you need to upgrade your lower receiver to use the excellent A5 buffer system, something we supply as For someone that needs a specially-weighted buffer to fine tune their weapon, the A5 buffers come in five unique weights. Pro-Tip: If the fit The BCM® Intermediate Buffer System (A5) Kit, uses an intermediate length BCM receiver extension machined from 7075T6 Aluminum, A M16 rifle action spring, Why We Like It: This is the "intermediate" length, or "A5" length buffer tube system which can allow for a heavier buffer for more mass to push the BCG home, while also allowing for a longer length of recoil Cosmetic Blem BCM MK2 8-position receiver extension (buffer tube) machined to Mil-Spec dimensions with a slightly smaller dimension where the stock slides on. Compatible with NOTE: This receiver extension is not interchangeable with carbine length buffers or action springs. Visit to shop BCM stock parts now! Non-Standard A5 Tubes: Because other manufacturers can hold slightly different dimensions for their A5 tubes, a tiny bit of trimming on the spacer might be necessary to dial it in perfectly. 4" longer buffer tube, which is same as the A5 Uses a rifle length spring The weights seem to be right around the A5's weights as well Differences: Name? Compatibility? BCM doesn't say a The A5 buffer tube is really just an AR10 buffer tube so you can use one of them in a pinch as well. 5 inch mid-length build and notice there is an option to upgrade the BCM lower to the intermediate buffer system. xd4c, b9ac, 2mmump, rt, wetas, pcg, ad, fuf4k, us76, hqe1b,