AR-15 Parts
Shop our extensive inventory of AR-15 parts and modern sporting rifle (MSR) components. From fully assembled MIL-SPEC upper receivers and enhanced lower parts kits to free-float M-LOK handguards and ambidextrous controls, we carry the critical components required for duty, defense, and custom builds.
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Out of stock
Sig Sauer - X-change kit P320 to M17 9mm - 8900268
Sig Sauer
$549.99This kit converts a P320 to a non-manual safety version of the renowned M18. This M17 conversion kit comes in the 3.9" configuration with 1 17 round magazine and 2 21 round magazines. UPC 798681631803 Manufacturer Sig Sauer Manufacturer...$549.99 -
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 -
Out of stockOn Sale
CMC - Lower Parts Kit for AR-15 - 81503
CMC Triggers
Now: $224.10Was: $249.00Enhanced with a 3.5lb Single Stage Flat Trigger, this kit is a great addition to your AR15 build. From amateur gun builder to seasoned expert gun smith, this lower parts kit is for you. NOTE: Grip NOT included. Kit Contains 3.5lb Single Stage Trigger 1...Now: $224.10Was: $249.00 -
Out of stockOn Sale
Rise Armament - Rave Lower Parts Kit w/ Trigger - T017-12003
Rise Armament
Now: $139.99Was: $180.00UPC 850011713174 Manufacturer Rise Armament Manufacturer Part # T017-12003 Model RAVE Type Lower Parts Kit Type Trigger Color Black Description Lower Parts Kit Subcategory TriggersNow: $139.99Was: $180.00 -
Out of stock
Knight's Armament - 4 Rib Rail Panel - Black - 97166
Knights Armament Company
$28.15The Knight's Armament 4-Rib Rail Panel — Black (KAC PN: 97166) is KAC's 4-rib polymer panel for covering unused Picatinny rail slots on KAC RAS and other quad-rail handguards. The 4-rib design covers four Picatinny slots in a single panel, providing...$28.15 -
Out of stock
LMT Defense - Tactical Charging Handle Assembly - .308 - #LM308CA
LMT Defense
MSRP: $130.00$123.30The Lewis Machine and Tool Tactical AR-10 charging handle makes charging your weapon much easier in stressful situations or when you simply want to go faster. The large tactical latch is easy to grab or use with the palm of your hand for fast weapon...MSRP: $130.00$123.30 -
Out of stockOn Sale
LMT Defense - 5.56 lower parts kit w/trigger - LM556LPK
LMT Defense
Now: $313.20Was: $322.65Complete your build with only the best lower parts kit available. This is the same kit that LMT’s world famous weapons are built with so why wouldn’t you want it in your rifle? 100% American Made Includes: Trigger guard assembly Magazine...Now: $313.20Was: $322.65 -
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 stock
Spuhr - Forend MP5/HK53 -R-301
Spuhr
$246.00Lightweight slim profile aluminum forend for MP5/HK53 and clones. Made from single billet of 7075 T651. Includes one A-0002 Picatinny Rail as well as two set screws to take up any play between the rear of the rail and the receiver and/or barrel shank...$246.00 -
Out of stock
Spuhr - G3 Forend - R-401
Spuhr
$275.00Lightweight slim profile aluminum forend for HK G3 and clones. Made from single billet of 7075 T651.Includes one A-0002 Picatinny Rail as well as two set screws to take up any play between the rear of the rail and the receiver and/or barrel shank...$275.00 -
Knight's Armament - M-LOK Index Stop - 113886
Knights Armament Company
$59.64The Knight's Armament M-LOK Index Stop (KAC PN: 113886) is KAC's precision-machined M-LOK index stop for use on M-LOK compatible handguards, primarily the KAC URX 4 series. The index stop provides a positive reference point for consistent support hand...$59.64 -
Out of stock
Knight's Armament - SR-25 URX 3.1 Forend Assembly 13.5" - 30259
Knights Armament Company
$515.84The KAC 7.62 URX 3.1 Rail is a free floating, fully modular replacement forend for the SR-25 platform. Unlike traditional quad rail designs, the URX 3.1 incorporates short sections of M1913 Picatinny rail at its front and rear ends for mounting tactical...$515.84