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
Gemtech - Complete Upper Receiver 5.56NATO 16.1" - 13833
$839.00Introducing the new GVAC system from Gemtech. Significantly reduce the amount of gas blowback you'll experience wwhen shooting suppressed with its patented design. The re-imagined barrel profile, enhanced bolt carrier profile, enhanced bolt carrier...$839.00 -
Out of stock
Colt - Complete Upper 223 Rem/556NATO 16" - LE6920EPR-CK
Colt
$1,049.00The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. Chambered in 223Rem/5.56NATO featuring a 16" barrel and a MLOK free float handguard. UPC 098289035493 Manufacturer Colt's...$1,049.00 -
LMT Defense - MWS .308 M-LOK Upper Receiver - 15.3" - LM308BML4A
LMT Defense
MSRP: $1,525.00$1,413.90The LMT Defense MWS .308 M-LOK Upper Receiver 15.3" (LM308BML4A) is LMT's extended large-caliber MRP-H monolithic upper receiver, offering an additional 3 inches of handguard length over the standard 12.5" MRP-H. The 15.3" length provides maximum rail...MSRP: $1,525.00$1,413.90 -
Out of stockOn Sale
BCM - Semi-Auto Complete AR Lower Receiver 223 Rem/556 NATO - LRG-STK-MOD-0-BLK
BCM
Now: $395.00Was: $475.00BCM semi automatic complete AR-15 lower receiver. This features an anodized black finish, BCM gunfighter stock, safe/semi fire controls, BCM gunfighter enhanced trigger guard, BCM gunfighter QD end plate and a BCM gunfighter pistol grip. BCM PNT(TM)...Now: $395.00Was: $475.00 -
Out of stockOn Sale
BCM - Semi-auto Complete Lower Receiver 223REM/556NATO - LRG-STK-MOD-0-SPMD-FDE
BCM
Now: $395.00Was: $475.00Exacting construction and rigorous durability are the standard for every weapon system that comes off the line at BCM. BCM Professional Grade Weaponry are hard use tools, built to perform in combat where unfailing performance is the only standard for...Now: $395.00Was: $475.00 -
Out of stockOn Sale
Daniel Defense - DDM4V7 S 5.56 NATO Complete Upper Receiver - 23-128-00275-047
Daniel Defense
Now: $1,174.00Was: $1,263.00The Daniel Defense M4 V7 S Upper Receiver Group is built around a Cold Hammer Forged 11.5" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a carbine length gas system for smooth, reliable...Now: $1,174.00Was: $1,263.00 -
Out of stockOn Sale
Knights Armament - SR-25 PC Upper Receiver M-LOK - 16" - 111474
Knights Armament Company
Now: $4,114.69Was: $4,331.25The Knights Armament SR-25 Precision Carbine Upper Kit was built as a dual role 7.62 NATO Carbine. Every PC is equally adept at putting rounds on target at 1000 meters or rapid multi-shot engagement at close range distances. Featuring our 16” cut...Now: $4,114.69Was: $4,331.25 -
Out of stockOn Sale
Knights Armament - SR-25 7.62 E2 M-LOK Upper Receiver - 14.5" - #111468
Knights Armament Company
Now: $4,114.69Was: $4,331.25The Knights Armament SR-25 14.5” Combat Carbine Upper kit is the latest evolution in the lightweight 7.62mm NATO Carbine platform. The 14.5” CC provides 7.62mm NATO performance in a package of comparable weight and size to common lower...Now: $4,114.69Was: $4,331.25 -
Out of stockOn Sale
Knights Armament - Upper Receiver Kit SR-30 MOD 2 - 9.5" - 32310
Knights Armament Company
Now: $2,311.47Was: $2,433.12Knight's SR-30 E3 MOD 2 takes advantage of the .300 BLK, offering a 9.5" barrel for a significantly more transportable and maneuverable firearm. The QDC compatible Flash Hider will mount any of the KAC 7.62mm QDC suppressors. The SR-30 has 99% parts...Now: $2,311.47Was: $2,433.12 -
Out of stockOn Sale
Knights Armament - Upper Receiver SR-15 MOD 2 URX 4 M-LOK 5.56 mm NATO 18" - 32309
Knights Armament Company
Now: $2,311.47Was: $2,433.12The SR-15 E3 Mod 2 5.56 mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design both enhances function and increases bolt life. The 5.56 mm 3-Prong Flash...Now: $2,311.47Was: $2,433.12 -
Out of stockOn Sale
Knights Armament - SR-15 Carbine Mod2 Complete Upper - 14.5 E3 Mod 2 - #31949
Knights Armament Company
Now: $2,088.62Was: $2,198.54The SR-15 E3 MOD 2 series’ 5.56mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design both enhances function and increases bolt life far beyond the...Now: $2,088.62Was: $2,198.54 -
Out of stock
LMT Defense - Shorty 40 Receiver - L2X1
LMT Defense
MSRP: $1,743.00$1,616.40LMT Defense 40mm M203 “Shorty 40″ variant. Designed to be mounted to any standard 1913 Picatinny rails. Does not include barrel or sight. Includes three recoil lugs and three locking lugs to hold to rail. Built from...MSRP: $1,743.00$1,616.40