| Primary HI-CAPA HPA/M4 ADAPTER | panther-airsoft.com | 3700 THB | 4,500 THB | −17.8% |
| Primary GLOCK/AAP-01 HPA/M4 ADAPTER | panther-airsoft.com | 3700 THB | 4,500 THB | −17.8% |
| Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized | panther-airsoft.com | 5900 THB | — | — |
| Primary Airsoft Glock HPA M4 Angled Aluminum Skeletonized Adapter w/ Magazine (Black) | blackblitzairsoft.com | 216.95 CAD | — | — |
| KWA MP7 HPA/MP5 adapter | primaryairsoft.us | 175 USD | — | — |
| KWA MP7 HPA/M4 adapter | primaryairsoft.us | 175 USD | — | — |
| Primary Airsoft Hi Capa HPA/M4 Angled Aluminum Adapter With Magazine | laairsoft.com | 174.99 USD | — | — |
| Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized | extremeairsoftshop.com | 169.99 USD | — | — |
| Primary Airsoft Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized | laairsoft.com | 169.99 USD | — | — |
| Glock/AAP-01 HPA M4 Angled Aluminum Adapter Skeletonized | extremeairsoftshop.com | 169.99 USD | — | — |
| KC02 KJW HPA/M4 adapter | primaryairsoft.us | 169.99 USD | — | — |
| Primary Airsoft Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized (W/Mag) | store.ssairsoft.com | 169.99 USD | — | — |
| MK23 / SSX23 HPA/M4 angled adapter with magazine | primaryairsoft.us | 161.99 USD | — | — |
| Hi-Capa HPA/MP5 Angled Adapter | primaryairsoft.us | 159.99 USD | — | — |
| Primary Airsoft AAP01/Glock HPA M4 Angled Adapter | laairsoft.com | 159.99 USD | — | — |
| Primary Airsoft Hi-Capa HPA/M4 Angled Adapter with magazine | laairsoft.com | 159.99 USD | — | — |
| Primary Airsoft HI-CAPA HPA/M4 ANGLED ADAPTER with MAG installed | store.ssairsoft.com | 159.99 USD | — | — |
| Primary Airsoft GLOCK/AAP-01 HPA M4 ANGLED ADAPTER with MAG installed | store.ssairsoft.com | 159.99 USD | — | — |
| G-series/AAP-01 HPA MP5 Angled Adapter | primaryairsoft.us | 159.99 USD | — | — |
| SMC9/GTP9 HPA/M4 adapter | primaryairsoft.us | 155 USD | — | — |
| Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized | primaryairsoft.us | 149.99 USD | 85 USD | — |
| Berreta M9 HPA/M4 Adapter | primaryairsoft.us | 149.99 USD | — | — |
| CZ P09 HPA/M4 adapter | primaryairsoft.us | 149.99 USD | — | — |
| CZ SP-01 + Shadow 2 HPA/M4 adapter | primaryairsoft.us | 149.99 USD | — | — |
| Primary Airsoft Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized | store.ssairsoft.com | 149.99 USD | — | — |
| Glock/AAP-01 HPA M4 Angled Aluminum Adapter Skeletonized | primaryairsoft.us | 149.99 USD | 85 USD | — |
| KWA KMP9 HPA/M4 adapter | primaryairsoft.us | 145 USD | — | — |
| MK23 / SSX23 HPA/MP5 adapter with magazine | primaryairsoft.us | 139.99 USD | — | — |
| Primary Airsoft MK23 / SSX23 HPA/M4 ADAPTER WITH MAGAZINE | store.ssairsoft.com | 135 USD | — | — |
| MK23 / SSX23 HPA/M4 adapter with magazine | primaryairsoft.us | 135 USD | — | — |
| G-series/AAP-01 HPA MP5 Adapter | primaryairsoft.us | 134.99 USD | — | — |
| Primary Airsoft Hi Capa HPA/M4 Adapter With Magazine | laairsoft.com | 134.99 USD | — | — |
| Hi-Capa HPA/MP5 adapter | primaryairsoft.us | 134.99 USD | — | — |
| 1911 HPA/M4 adapter | primaryairsoft.us | 134.99 USD | — | — |
| Primary Airsoft HI-CAPA HPA/M4 ANGLED ADAPTER | store.ssairsoft.com | 126.99 USD | — | — |
| Glock/AAP-01 HPA M4 Angled Adapter | primaryairsoft.us | 114.99 USD | 85 USD | — |
| Hi-Capa HPA/M4 Angled Adapter | primaryairsoft.us | 114.99 USD | 85 USD | — |
| SSQ22 HPA/M4 adapter | primaryairsoft.us | 108 USD | — | — |
| Primary Airsoft Gen. 4 Hi Capa M4 HPA Angled Adapter | laairsoft.com | 99.99 USD | — | — |
| Primary Airsoft Glock/AAP01 M4 HPA Angled Adapter | laairsoft.com | 99.99 USD | — | — |