BLACK DOG MACHINE LLC V208 .22 LONG RIFLE MAGAZINE FOR AR-15 The Black Dog Machine V208 Adjustable Magazine is built to solve one of the biggest challenges in the rimfire AR market—platform compatibility. Designed with versatility in mind, this innovative 25-round magazine features a patent-pending adjustable lock-up system that allows shooters to fine-tune fit and feeding across a wide range of .22 LR conversion kits and dedicated firearms. At the core of the V208 is its eight-position adjustable lock-up lug system, giving users the ability to make precise feed height adjustments in .005” increments. Whether your setup requires a higher or lower engagement point, the included inserts and simple one-screw adjustment system make tuning fast and easy. Additional enhancements like front finger grooves improve handling and control during reloads, making this magazine both functional and ergonomic. FEATURES Patent-pending adjustable lock-up lug system 8 interchangeable inserts for precise fitment tuning Adjustment range in .005” increments (+/– options) Quick change design using single screw + included 3/32 Allen wrench Improved feed reliability across multiple platforms Front finger grooves for enhanced grip and handling Durable polymer construction in Smoke or Nitro Green HOW IT WORKS Default insert: 0 (standard lock-up) SWAP INSERTS TO ADJUST FIT: Higher Lock-Up: +.005 / +.010 / +.015 Lower Lock-Up: -.005 / -.010 / -.015 / -.020 Easily fine-tune to match your specific rifle or conversion kit COMPATIBILITY Works with many Atchisson/Ciener-style .22 LR platforms, including: Bear Creek Arsenal Ciener / Atchisson kits Model 1 Sales Kriss .22 LR Spikes Tactical Tactical Solutions SIG 522 / P522 Chiappa M4-22 Kel-Tec PLR22 Nordic Components Bushmaster .22 combo kits CMMG / Banshee-style platforms And many other similar systems NOT COMPATIBLE WITH Tippmann Arms M4 .22 S&W M&P 15-22 HK 416 .22 / Umarex models Colt/Umarex M4 Beretta ARX160 .22 Rock River M16 variants Magnum .22 platforms Certain Kriss models PACKAGE INCLUDES (1) V208 25-round magazine (1) Extra screw (1) 3/32 Allen wrench IMPORTANT NOTES Do not overtighten screw—secure lightly for proper function Check local regulations regarding magazine capacity before purchase