Noveske N4 11.5-inch SBR, 5.56 NATO, BCM Upper, KMR-A10 Handguard, SureFire Warcomp
This Noveske Rifleworks Model N4 short barrel rifle stands out as a custom-configured 5.56 NATO build on a Noveske-marked lower with a BCM upper and a 10-inch BCM KMR-A KeyMod free-float handguard. It features an 11.5-inch threaded barrel with a SureFire Warcomp 5.56 muzzle device, a FailZero nickel-boron bolt carrier group, and an ambidextrous extended charging handle. Controls and furniture include a right-side bolt-catch extension, Magpul MIAD grip, and a collapsible 6-position stock. No sights or optics are installed.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor, superficial scratches and blemishes are present on exterior surfaces.
What’s Included
- Noveske Rifleworks Model N4 SBR (as configured)
- 1x 20-round USGI-pattern metal AR-15 magazine
The serialized lower is marked Noveske Rifleworks LLC, Grants Pass, OR, USA – Model N4, paired with a BCM flat-top upper that has an integral 1913 rail with T-marks. The rifle uses a direct impingement operating system and is chambered in 5.56mm NATO with a 20+1 capacity.
The 11.5-inch steel barrel is threaded and fitted with a SureFire Warcomp 5.56 suppressor-mount muzzle device. The BCM KMR-A10 10-inch KeyMod free-float aluminum handguard provides a continuous top rail and an integral QD sling socket, with rail compatibility as noted.
Internals and controls are upgraded with a FailZero nickel-boron coated bolt carrier group and an ambidextrous charging handle with extended latches. A right-side bolt-catch extension lever, standard magazine release, and manual safety with SAFE/FIRE markings on the left side round out the control set.
Furniture includes a Magpul MIAD pistol grip and a collapsible 6-position carbine stock with a 13.5-inch length of pull. The receivers are aluminum alloy with a black hardcoat anodized finish. No sights or optics are installed. Made in the USA.




