AR 9 / 10 / 15 Dryfire Block Hammer Stop silencerco - Multiple Versions: Choose from

- Multiple Versions: Choose from different angles

such as Bergara B14 / B14R magazines

- Magazine Compatibility:  Works with HK USP 45 and USP 45 Compact magazines

- Magazine Compatibility:  Works with Tokarev TT-30 / TT-33 magazines

6" between the end of the handguard and the locking collar

AR 9 / 10 / 15 Dryfire Block Hammer Stop silencerco - Multiple Versions: Choose fromAR 10 and AR 15 Versions: The AR15 version fits any 223 556 300 receiver. The AR10 one works with SR25 M110 DPMS pattern lower, such as Aero M5E1 (these fit Magpul LR SR 308 7. 62 6. 5 mags). The Aero EPC 9 version fits the Aero EPC 9. Block Version: Slides into mag well from top of receiver and is locked in place by the mag catch during dryfiring trigger tuning. To install and remove, simply press in the mag catch and slide the block in or out of the