2016年6月9日 · Without getting too detailed (mostly because I’m not qualified to do so), the MP5SD is designed around a ported barrel that will keep nearly all factory ammunition subsonic. This negates the need for speciality subsonic ammunition which can be expensive, difficult to source and can have reliability issues.

2023年5月31日 · Want to build your own AR9-SD? Broad River Tactical's CAR-15 SD kit has a ported barrel to use MP5-SD cans and a handguard to use MP5-SD handguard cover.

2021年11月24日 · I heard there are companies that do good quality work on MP5 SD conversions but they start at $3,500 on top of the gun you supply. I know they have a lot of time and labor drilling holes in your barrel, and reinstalling it, but HkParts.net sells ported barrels for …

Ronin Arms MP5SD Ported Barrel- This specialized barrel, designed and manufactured by Ronin Arms, is tailored specifically for the MP5SD configuration, featuring ports to accommodate the suppressor and optimize performance.

2024年12月10日 · I’m waiting on pics but apparently the Century SD clones are here. But they lack a ported barrel. Sounding like a PDW barrel with 3 lug. So an “SD at home” for $1300. RCM barrel swaps are going to be the new hotness. Will post pics once I get them. Or someone can just beat me to it. Whatever is clever.

MP5SD is a full sized MP5 with a ported barrel (has ventilation holes to reduce gas pressure) and a specially designed suppressor for supersonic ammunition. Suppressor must be attached to fire MP5SD.

The Ronin Arms RA5SD is not a clone —this is an authentic, integrally suppressed full-size MP5SD, built from receiver flats and precision-machined components. Every detail is carefully engineered, hand-fitted, and tuned by one master gunsmith from start to finish.

New from B&T Switzerland, this cold hammer forged (CHF), ported, and nitrided barrel is designed to meet factory HK specifications exclusively for MP5SD models. With a long-standing relationship with H&K Germany, B&T has been a trusted OEM parts supplier and armorer for HK platforms, including the MP5 series.

2025年1月9日 · Pretty good timing to be looking for an Mp5sd clone, Century just released their MKE sd variant. Comes without a ported barrel but everything else is correct.https://atlanticfirearms.com/mkecentury-ap5-sd-pistol

2024年5月19日 · If you were to port the SD barrel support and decided at a later date to use a ported SD barrel, your gun would not run reliably because the back pressure has been changed and there would not be enough oomf to get the BCG to cycle reliably.