Lower Receivers
Gas & Brass Armory offers a full selection of AR-15 lower receivers in Brandon, FL—perfect for your next rifle build or upgrade. Choose from trusted brands like Aero Precision, Anderson, BCM, and more. Whether you're looking for stripped lowers for a custom build or complete lowers ready to pin on your upper, we have durable, mil-spec components to fit your needs. Visit us in-store or shop online with confidence.
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SPIKES UPPER/LOWER SET STSB920
SPIKES
$590.00Spikes Tactical Glock Magazine 9mm lower with pockets machined in many areas to reduce weight. The lower receiver design was engineered to shave the weight and increase strength exactly where we wanted it. All edges and surfaces have been 3D chamfered to...$590.00 -
FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020023BLK
FRANKLIN ARMORY
$612.00Franklin Armory Libertas Proprietary Billet Lower Receiver Machined From 7075T6 Aluminum Hard Coat Type III Anodized Black Flared Magazine Well for Quick Magazine Changes Ambidextrous Push Button QD Sling Mounts Integral Cold Weather Trigger Guard...$612.00 -
PWS MK1 MOD 2-M COMP RIFLE LOWER
Primary Weapons Systems
MSRP: $689.94$600.00Primary 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...MSRP: $689.94$600.00 -
LANTAC RVN BLLT BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $781.99$680.00The Lantac AR-15 builder set includes an upper and lower receiver, along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $781.99$680.00 -
LANTAC RVN BLLT BUILDER SET 10.5 RL
LanTac USA LLC
MSRP: $773.94$673.00The Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $773.94$673.00 -
LANTAC RVN BLLT BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $754.39$656.00The Lantac AR-15 builder set includes an upper and lower receiver, along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $754.39$656.00 -
Out of stock
FIGHTLITE INDUSTRIES LOWER RECEIVER SCRLWRRFD
FIGHTLITE INDUSTRIES
$646.00The FightLite SCR Sport Configurable Rifle blends the strength reliability accuracy and rugged allweather characteristics of Americas longest serving infantry rifle with the classic lines of an American Sporter. Enjoyed by sportsmen and women everywhere...$646.00 -
Out of stock
FIGHTLITE INDUSTRIES SCR LOWER RECEIVER SCRLWRRBK
FIGHTLITE INDUSTRIES
$646.00The FightLite SCR Sport Configurable Rifle blends the strength reliability accuracy and rugged allweather characteristics of Americas longest serving infantry rifle with the classic lines of an American Sporter. Enjoyed by sportsmen and women everywhere...$646.00 -
Out of stock
NOVESKE UPPER/LOWER SET GEN 4 BLK
Noveske
MSRP: $826.56$719.00Noveske 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:...MSRP: $826.56$719.00 -
Out of stock
NOVESKE CHAINSAW LOWER RCVR COMPLETE
Noveske
MSRP: $749.42$652.00Noveske 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:...MSRP: $749.42$652.00 -
Out of stock
LWRC IC LOWER 556NATO BLK
LWRC
MSRP: $789.53$687.00The 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...MSRP: $789.53$687.00 -
Out of stock
GGP AR10 BILLET RCVR SET W/15 HG BK
Grey Ghost Precision
MSRP: $783.66$682.00The new MKII version of the GGP-P Series brings a new level of customizability never before seen in their rifle receivers. Not only can you build your own version of the Heavy or Light rifle, but you can use your favorite aftermarket parts to complete...MSRP: $783.66$682.00