M-LOK to ARCA rail adapter, adds Standard ARCA, R-LOCK, and MRAS QD Adaptors and Mounts, 280mm length 308 Low Profile Uppers

308 Low Profile Uppers

SKU:  LT4X20L

SKU  ABTA12-R

Therefore they will also fit AR Pistol builds that have AR-15 upper barrel nut threading such as the 300 Blackout and the AR-9

Exit Pupil: 22

M-LOK to ARCA rail adapter, adds Standard ARCA, R-LOCK, and MRAS QD Adaptors and Mounts, 280mm length 308 Low Profile UppersM LOK to ARCA rail adapter, adds Standard ARCA, R LOCK, and MRAS QD Adaptors and Mounts, 280mm length. SKU ASMT04 The Presma Inc M LOK to ARCA Adapter Rail attaches to Standard M LOK Slots, adding Standard ARCA, R LOCK, and MRAS QD Adaptor Mount options. M LOK screws and nuts for mounting included. A6061 T6 Aluminum. 280mm 11" length. Weighs 4. 2 oz.