A spare set of 11" (50 coil) springs for servicing common full length Black Dog magazines.
Useful if your magazines are seeing a lot of use and the spring pressure is starting to drop, which can result in misfeeds.
Fits the following models:
- Black Dog 25 round Sonic X magazine
- Black Dog 25 round X form magazine
- Sig Sauer branded SIG 522 25 round magazine
- Black Dog CZ v22 magazine
- Black Dog Olympic Arms M261 Bremmer 25 round magazine
- Black Dog Puma stick magazine
- Black Dog Mini 14 AC556 magazine
- Bushmaster Carbon 15 magazine
- Black Dog WASR 30 round magazine
Please note: these will not fit short form factor 10 and 15 round Black Dog magazines unless trimmed down. These use 7" springs.