AR Lower Receivers

Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high...

Build your rifle from a strong foundation! Boasting aesthetics, performance, and practical features, the OTR-15 receiver set is the start to your dream rifle. Hours of meticulous design, engineering, and testing went into crafting the OTR-15 Lower...

With style in mind, the OW-15 lower is machined from forging 7075 aluminum with exact tolerances and features. Machined to match mil-spec uppers, the OW-15 stripped lower provides the performance you trust at a price easily affordable for your next build...

The OTR-15 lower is machined in house from billet 7075 aluminum with exacting tolerances, features and style in mind. Machined to match the ODIN Works billet upper, the OTR-15 stripped lower gives you unrivaled performance with eye catching lines...

The OTR-15 lower is machined in house from billet 7075 aluminum with features and style in mind. Machined to match the ODIN Works billet upper, the OTR-15 Receiver Set provides a best in class chassis. The Billet Upper Receiver has a sleek design "No...

Upgrade your AR platform with this Enhanced AR-15 Lower Receiver, designed for superior performance and ergonomic handling. It features an oversized flared magazine well for faster reloads, an improved ergonomic trigger guard, and ambidextrous controls...

Noveske Rifleworks is an American firearms company. They are headquartered in Grants Pass, Oregon and are known for their work with the AR-15 platform and the KeyMod system.MANUFACTURER: NoveskeMPN: 04000880MODEL: Gen 4Action: Semi-automaticDescription:...

Noveske Rifleworks is an American firearms company. They are headquartered in Grants Pass, Oregon and are known for their work with the AR-15 platform and the KeyMod system.MANUFACTURER: NoveskeMPN: 04000879MODEL: ChainsawAction:...

Noveske Rifleworks is an American firearms company. They are headquartered in Grants Pass, Oregon and are known for their work with the AR-15 platform and the KeyMod system.MANUFACTURER: NoveskeMPN: 04000853MODEL: ChainsawAction:...

The SwitchBolt is born of extensive research and development, tested and perfected on the professional speed shooting circuit. Built in the USA, the SwitchBolt receivers, with integral Picatinny rail, are machined from a 6061-T6 forging, then hard coat...

The LWRC IC lower is fully ambidextrous, allowing the shooter to access all controls on the lower without needing to change their grip. Machined directly into the receiver to maximize ergonomics and function are an enhanced, flared magwell and...

The Raven LA N15 is machined from certified 7075-T6 Aluminum and Type 3 Hardcoat Anodized Class2, Deep Black. Internally flared Magazine well, to assist in loading, 45 Degree BAD Safety Selector cut, and spot face recess to rear Takedown Pin making...