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Geissele Super Modular Rail MK4 M-LOK 13.5" AR-15
Geissele Automatics$350.00 - $375.00The Geissele Super Modular Rail MK4 M-LOK is a rugged 13.5 in free-float handguard for the AR-15 with integrated Picatinny sections at the front and M-LOK slots along its length, so you can set it up... -
Geissele Super Modular Rail MK4 Federal M-LOK 10" AR-15
Geissele Automatics$400.00 - $425.00The Geissele MK4 Federal Super Modular Rail is a 10 in free-float AR-15 handguard with a full-length top Picatinny rail, an extended rail at 6 o'clock and short rails at 3 and 9 o'clock, plus M-LOK... -
Geissele Super Modular Rail MK14 M-LOK 13.5" AR-15
Geissele Automatics$350.00 - $375.00The Geissele Super Modular Rail MK14 M-LOK is a slim 13.5 in free-float AR-15 handguard with a reduced diameter and height and an updated barrel nut with a 2.25 in contact surface for rigidity and... -
Geissele Super Modular Rail MK8 M-LOK 13.5" AR-15
Geissele Automatics$350.00 - $375.00The Geissele Super Modular Rail MK8 M-LOK is a duty-grade 13.5 in free-float AR-15 handguard and one of the first rails built around Magpul M-LOK, giving full modularity on a strong, rigid platform... -
Bravo Company BCM MCMR-15 (M-LOK Compatible Modular Rail) 15" AR-15
Bravo Company (BCM)$234.95MSRP: $250.00The BCM MCMR-15 is a 15 in. class free-float M-LOK compatible handguard for the AR-15. It combines a slim, strong aluminum profile with BCM's indexed mounting system that keeps the top rail aligned...
Description
The Geissele Super Modular Rail MK4 M-LOK is a rugged 15 in free-float handguard for the AR-15 with integrated Picatinny sections at 3, 6 and 9 o'clock and M-LOK slots along its length.
Features
- Integrated M1913 Picatinny sections at 3, 6 and 9 o'clock
- M-LOK attachment points along the rail
- Venting for heat dissipation and lower weight
- Proprietary 2.25 in long barrel nut increases receiver contact for straightness and zero repeatability
Specifications
- Finish: Black
- Length: 15"
- Inner diameter: 1.35"
- Outer diameter: 2.11"
- Weight: 15.4 oz installed
Fits
- Mil-spec AR-15 / M4 upper receivers
- Compatibility with billet upper receivers not confirmed by Geissele
- Geissele barrel nut wrench required (sold separately)
In the box
- SMR MK4 rail
- Barrel nut and mounting hardware
