Original parts, fits with BO Manufacture Quantico Airgun rifle, item nimber : CA0100 / CA0101 / CA0102 / CA0103 / CA0104 / CA0110 / CA0111 / CA0112 / CA0113 / CA0114 / CA0120 / CZ0121 / CA0122 / CA0123 without any modification.
- 20 J spring
- You need use a lock spring compressor to install or disassemble spring on air rifle