Edgi Custom Works - 510mm GBB Steel 6.01mm Inner Barrel

Edgi Custom Works 510mm GBB inner barrel in steel, 6.01mm bore.

On a gas platform the amount of gas behind each BB is fixed, so a tighter, more consistent bore is what lifts group size rather than any gain in power. Every barrel is hand-lapped and finished by Edgi to hold that consistency down its whole length.

This listing is a single fixed specification: 510mm long, steel, 6.01mm bore, GBB window cut. At 6.01mm this is the tightest bore Edgi offer, which grips the BB hardest and rewards clean, well-sorted ammunition. There is nothing to configure here.

Fitment: gas platforms taking a 510mm barrel with a GBB window cut. Measure the barrel you are replacing before ordering — length is what decides whether it sits correctly against your hop unit.

One-off. Every Edgi part is cut to order, and this barrel is a single piece rather than a size we restock, so once it's gone it's gone. If you need another, or a different length, material, bore or window cut, order the made-to-order version and Edgi will make it to your spec.