In StockSave 10%
Type
parts
Last Seen
May 20, 2026
Geissele Automatics MK4 Super Modular Rail Handguard M-LOK 13.5
Sold byGrabAGun•Posted Apr 27, 2026
Compare prices for Geissele Super Modular MK4 AR-15 Customizable Handguard 13.5" Black$275.00
$306.00
You save $31.00 (10% off)
Price and stock data refresh continuously from GrabAGun.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 854014005717
- SKU: GAG_RES-GEI05-278B
- Brand: Geissele
Price History
Deal Details
MK4 Super Modular Rail Features The Super Modular Rail (SMR) MK4 M-LOK is Geissele s ultra-lightweight M-LOK handguard option. These rails are purpose-built and feature integrated short M1913 picatinny rail sections at the fore of the rail in the 3 6 and 9 o clock positions. Maximum venting for heat dissipation also dramatically reduces the rail s overall weight while maintaining its same strong and rigid platform. It utilizes Magpul s M-LOK technology at the 3 6 and 9 o clock positions a
Other Offers for This Product
Active offers from your catalog for Geissele Super Modular MK4 AR-15 Customizable Handguard 13.5" Black.
Comparing 8 retailers carrying this product
Lowest Price: $243.99
Highest Price: $350.99
You Save: $107.00
Avg Discount: 9% off
Geissele Automatics, MK4, Super Modular Rail, Handguard, 13.5, M-LOK
Geissele AutomaticsBattleHawk ArmorySKU/UPC: 854014005717
$243.99
View at BattleHawk Armory
Geissele Automatics 05278B Super Modular Rail MK4 Black Picatinny Rail, Rifle
GeisseleHinterland OutfittersSKU/UPC: 68528
$246.16
View at Hinterland Outfitters
Ar-15/M16 Mk 4 Super Modular Rails, M-Lok - 13.5'''' Super Modular Rail Mk4 M-Lok Black
Geissele AutomaticsBrownellsSKU/UPC: 100015366
$270.99$350.00Save 23%
View at BrownellsGeissele Automatics MK4 Super Modular Rail Handguard M-LOK 13.5
Geissele AutomaticsGrabAGunSKU/UPC: GAG_RES-GEI05-278B
$275.00$306.00Save 10%
View at GrabAGun
Geissele Super Modular Handguard Rail M-LOK MK4 13.5in Black
GeisseleOptics PlanetSKU/UPC: 1TO-HZ-05-283B-05-278B
$276.49$350.00Save 21%
View at Optics Planet
Geissele Automatics 05278B Super Modular Rail MK4 Black Picatinny Rail Rifle
Geissele AutomaticsAmmunition DepotSKU/UPC: 05278B
$298.49
View at Ammunition Depot
Geissele Super Modular MK4 AR-15 Customizable Handguard 13.5" Black
GeisseleMidwayUSASKU/UPC: 606461
$329.72$350.00Save 6%
View at MidwayUSA
Geissele 13.5" MK4 M-Lok Super Modular Rail, Black 05-278B
GeisselePalmetto State ArmorySKU/UPC: 60733
$350.99$389.99Save 10%
View at Palmetto State Armory