Lower & Upper Receivers
Build your AR-15, AR-10, or precision long-range rifle exactly how you want it. Shop our high-quality stripped and complete lower and upper receivers, matched receiver sets, and enhanced buffer systems.
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Out of stock
LMT Defense - 12" Piston Shovelnose Complete Upper Receiver Bundle - #BFCLMT-201
LMT Defense
$2,382.99LMT Defense - MRP-L MLOK 11.5" Shovelnose AR15 Upper Receiver - #L7ZN2A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece...$2,382.99 -
Out of stock
LMT Defense - MRP-L MLOK 11.5" Complete Upper Receiver Bundle - #BFCLMT-205
LMT Defense
$1,954.99LMT Defense - MRP-L MLOK 9.25" AR15 Upper Receiver - #L7X1A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of...$1,954.99 -
Out of stock
LMT Defense - MRP-H MLOK 16" Complete Upper Receiver Bundle - #BFCLMT-H308M16P
LMT Defense
$2,399.99LMT Defense - MRP-H MLOK 12.5" AR10/AR308 Upper Receiver - #LM308BML1 The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of...$2,399.99 -
Out of stock
BCM - Lower Receiver Group w/MK2RMS-M1T & Stock Mod-0 Blk - #LRG-RMS-STK-MOD-0-BLK
BCM
$494.00Bravo Company introduces the BCMGUNFIGHTER™ Stock. The strongest light-weight polymer stock available for your mil-spec receiver extension is here! Snag free Design. No sharp edges prevent tangling...$494.00 -
Out of stock
BCM - Lower Receiver w/MK2RMS-M1T0 & Stock Mod-1-SOPMOD Blk - #LRG-RMS-STK-MOD-1-SPMD-BLK
BCM
$469.00BCMGUNFIGHTER™ Stock Assembly - Mod 1 - SOPMOD (Widebody) Compartment. Strong and Lightweight for your mil-spec receiver extension. More pronounced cheekweld (SOPMOD type) Snag free Design. No sharp...$469.00 -
Out of stock
BCM - Complete Widebody Lower Receiver w/MOD-2-SOPMOD Stock - #LRG-STK-MOD-2-SPMD-BLK
BCM
$535.00SPECIFICATIONS: Caliber: MULTI Model: BCM4 Stock: BCM Mod 2 SOPMOD Fire Control: PNT Semi Auto Rear Sling Mounts: QTY 3 Receiver Extension: 7075 T6 Mil-Spec Diameter Buffer Type: Carbine H Pistol...$535.00 -
Out of stockOn Sale
LMT Defense - AR-10 Lower MARS-H Complete w/ EU Trigger - #LM308AM-EU
LMT Defense
Now: $1,323.00Was: $1,349.00The MARS-H integrates the cutting-edge design of the MARS-L into the MWS® platform, delivering enhanced functionality and versatility. TheNow: $1,323.00Was: $1,349.00 -
Out of stockOn Sale
LMT Defense - AR-15 SPM10 Top End Full Auto BCG - #STE10F
LMT Defense
Now: $842.40Was: $1,049.00Complete top end includes: Standard flattop upper receiver 10.5" chrome lined 1:7†twist 5.56 barrel Full-auto bolt carrier group Tactical charging handle HandguardsNow: $842.40Was: $1,049.00 -
Out of stock
Ruger - Factory Ruger MK IV The Backup Upper 5.5" - #VCSCU-0034
Ruger
$40.00This upper comes equipped with adjustable sights, and its push-button takedown allows for quick and effortless swaps—easier than switching between open sights and an optic. It’s the ideal backup...$40.00 -
Out of stock
Ruger - Factory Ruger MK IV The Bare Bones Upper 5.5" - #VCSCU-0005
Ruger
$40.00This upper is our most budget-friendly option and a DIY enthusiast’s dream. It offers excellent value for those planning to use an optic or customize their barrel length, provided they have a lathe...$40.00 -
Out of stock
Modern Outfitters - Modern Carbine MC5 Complete Upper Receiver 300BLK - USED
Used
$255.00 - $275.00Police trade-in Modern Carbine MC5 Upper Receivers, 16" 300 Blackout available in Good and Blemished. There's also one in FDE. Modern Carbine™ Forged from 7075-T6 Aluminum and CNC Machined to...$255.00 - $275.00 -
Out of stock
Sig Sauer - #PMCX-762R-11B-LT-B-LOWER
Sig Sauer
$1,000.00This is a new Sig Sauer PMCX complete lower receiver. It features lightweight aluminum construction with a blackfinish, ambidextrous safety selector, flat blade match trigger, polymer grip, and a...$1,000.00