GunBuildr
AI illustration of a similar part on the gun.
AR-15 · Handguard
Geissele Automatics Super Modular Rail MK4 M-LOK 13.5"
$325
Build with this partOpens the builder with this part fitted. Other parts change only if they have to.
Specs
| Length (in) | 13.5 |
| Attaches by | M-LOK |
Pros and cons
Pros
- Wide barrel nut interface for stiff lock-up
- 1.35 in ID clears most suppressors
- Continuous top rail for night vision setups
Cons
- DDC color varies by batch
- Heavier than slimmer rails
Other handguard options
- Bravo Company Manufacturing MCMR-10 M-LOK Free-Float Handguard $200
- Geissele Automatics MK16 Super Modular Rail 13.5" (URGI) $375
- Daniel Defense RIS II MK18 9.5" Quad Rail $523
- Daniel Defense MFR XS 15.0 M-LOK Rail $325
- Midwest Industries Combat Rail M-LOK 15" $189
- Bravo Company Manufacturing KMR Alpha 13 KeyMod Free-Float Handguard $225
- Bravo Company Manufacturing QRF-12 Quad Rail Free Float Handguard $225
- Spikes Tactical CRR Free Float Quad Rail 15" $240