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
KAC Knights Armament Company - URX6 Tool Kit for SR-25/SR-15 #122659
Knights Armament Company
$702.24The tool kit includes 5.56/762 URX6 Handguard Wrench, 5.56 URX6 barrel nut removal wrench, 7.62 URX6 barrel nut removal wrench, KAC knightstick, gas block puller, buttstock wrench, gas block wrench,...$702.24 -
LMT Defense MRP-L MLOK 7.25" Upper Receiver & 300BLK Barrel 8.25" Bundle L7NX1A-L7BX1B
LMT Defense
$1,444.50*Discounts do not apply* The LMT Defense MRP-L M-LOK 7.25" Upper Receiver & .300 Blackout 8.25" Barrel Bundle (L7NX1A-L7BX1B) is the ultimate ultra-compact .300 BLK package — combining LMT's most...$1,444.50 -
LMT Defense MRP-L M-LOK 9.25" "Grenadier" Upper Receiver L7SXG1A
LMT Defense
$940.50The LMT Defense MRP-L M-LOK 9.25" "Grenadier" Upper Receiver (L7SXG1A) is LMT's newest 2026 MRP-L upper receiver, purpose-designed for under-barrel launcher integration and versatile accessory...$940.50 -
Out of stock
LMT Defense MRP-L M-LOK 9.25" "Hybrid" Upper Receiver L7SX1A
LMT Defense
$940.50The LMT Defense MRP-L M-LOK 9.25" "Hybrid" Upper Receiver (L7SX1A) is LMT's newest 2026 addition to their Monolithic Rail Platform lineup — a versatile carbine-length upper designed for both piston...$940.50 -
Out of stock
Criterion CORE Series 300 AAC Blackout AR-15 Barrel 10.5" #300B-10CR3
Criterion
$329.99The Criterion CORE Series is an ideal pairing for the versatile .300 AAC Blackout cartridge. The modern taper improves on government contours, eliminating harsh diameter variations and adding...$329.99 -
FCD Forward Controls Design Bolt Carrier Group Serrated SBCG-N-S
Forward Controls Design, Inc
$220.00The Forward Controls Design Bolt Carrier Group — Serrated (SBCG-N-S) is FCD's Secure-Staking BCG with nitride finish and serrated texture on the bolt carrier body. The SBCG-N-S (Secure-Staking BCG,...$220.00 -
FCD Forward Controls Design Bolt Carrier Group Dimpled SBCG-N-D
Forward Controls Design, Inc
$220.00The Forward Controls Design Bolt Carrier Group — Dimpled (SBCG-N-D) is FCD's Secure-Staking BCG with nitride finish and dimpled texture machined into the bolt carrier body. The SBCG-N-D...$220.00 -
Out of stock
Ruger 10/22 Stripped Aluminum Receiver VCSCU-0130
Ruger
$65.00This is a new Ruger factor stripped aluminum receiver compatible with 10/22 pattern firearms. Black Stripped Made in the USA Note: These are stripped receivers so they will not come with any...$65.00 -
Out of stock
FCD Forward Controls Design 5.56 Bolt Catch Dimpled ABC/R v3 AA
Forward Controls Design, Inc
$58.90The Forward Controls Design ABC/R v3 Dimpled 5.56 Bolt Catch (ABC/R v3 AA) is the dimpled-texture (all-around/AA) variant of FCD's ABC/R v3 Augmented Bolt Catch for AR-15/M16 receivers. The...$58.90 -
FCD Forward Controls Design Ambidextrous Charging Handle LPVO #ACF-L
Forward Controls Design, Inc
$118.75 This is a new FCD (Forward Controls Design) Ambidextrous Charging Handle. ACF-L is an AR15/M16 ambidextrous charging handle based on our ACF. Whereas with the ACF, we kept the T handle nearly the...$118.75 -
Magpul Industries M-LOK Aluminum 3 Slot Rail Section MAG580-BLK
Magpul Industries
$18.00The Magpul M-LOK Aluminum Rail Section — 3 Slot (MAG580-BLK) is Magpul's precision-machined aluminum Picatinny rail section for M-LOK compatible handguards. The 3-slot rail section installs directly...$18.00 -
Dead Air Armament Key Mount Muzzle Brake 45 Caliber 5/8x24 DA161
Dead Air Armament
$75.00The Dead Air Key Mount Muzzle Brake (DA161) in .45 caliber with 5/8x24 thread pitch is a precision-machined muzzle device that combines functional recoil reduction with Dead Air's KeyMo quick-detach...$75.00