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Home / Ar-15 / Ar-15 Parts

AR 15 Parts

Midsouth Shooters carries a complete selection of AR 15 lower and upper receiver parts and parts kits. We offer AR builders and those doing repairs every basic Mil-Spec AR-15 part that is needed to build from the smallest detent pin to top notch trigger upgrades. Check out our complete selection of AR Parts below.

Item Total: (24) 0 - 24
Complete AR-15 Mil-Spec A2 Upper Receiver
Complete AR-15 Mil-Spec A2 Upper Receiver
173-UR1019 | Del-Ton
Clearance
$219.99 $208.99
In Stock
AR15 Lower Parts Kit Milspec with Black Hammer and Trigger
AR15 Lower Parts Kit Milspec with Black Hammer and Trigger
045-G2K421D0000P | Anderson Mfg
Clearance
$46.99 $38.99
In Stock
Barrel 300 Blackout 16
Barrel 300 Blackout 16" 1in 8 Twist Pistol Gas Length Heavy Contour
045-B2K004CN07 | Anderson Mfg
Clearance
$125.99 $107.99
In Stock
5.56 / .223 AR15-A3 Complete Upper Receiver With M4 Feed Ramps
5.56 / .223 AR15-A3 Complete Upper Receiver With M4 Feed Ramps
045-B2K600A000 | Anderson Mfg
Clearance
$92.99 $78.99
In Stock
5.56 / .223 AR15 Assembled Upper Receiver With Charging Handle
5.56 / .223 AR15 Assembled Upper Receiver With Charging Handle
045-B2K601A000 | Anderson Mfg
Clearance
$81.99 $68.99
In Stock
6.5 Grendel M16 Profile Nitride Bolt Carrier Group Assembly
6.5 Grendel M16 Profile Nitride Bolt Carrier Group Assembly
045-B2K630BA000P | Anderson Mfg
Clearance
$119.99 $91.99
In Stock
6.8 SPC Bolt Carrier Group
6.8 SPC Bolt Carrier Group
045-B2K630C000 | Anderson Mfg
Clearance
$112.99 $95.99
In Stock
9MM Bolt Carrier Group Assembly
9MM Bolt Carrier Group Assembly
045-B2M630A000 | Anderson Mfg
Clearance
$149.99 $127.99
In Stock
Extractor Pin for AR-15
Extractor Pin for AR-15
173-BC1015 | Del-Ton
Clearance
$2.39 $2.19
In Stock
Extractor Spring Assembly for AR-15
Extractor Spring Assembly for AR-15
173-BC1017 | Del-Ton
Clearance
$1.99 $1.89
In Stock
Ejector Roll Pin for AR-15
Ejector Roll Pin for AR-15
173-BC1018 | Del-Ton
Clearance
$0.99 $0.73
In Stock
A2 Front Sight Post for AR-15
A2 Front Sight Post for AR-15
173-BP1027 | Del-Ton
Clearance
$5.09 $4.81
In Stock
Front Sight Detent for AR-15
Front Sight Detent for AR-15
173-BP1028 | Del-Ton
Clearance
$0.89 $0.65
In Stock
Delta Ring for AR-15
Delta Ring for AR-15
173-BP1048 | Del-Ton
Clearance
$7.29 $6.88
In Stock
AR-15 Complete Lower Parts Kit With Standard Trigger
AR-15 Complete Lower Parts Kit With Standard Trigger
173-LP1045 | Del-Ton
Clearance
$52.99 $50.34
In Stock
Ejection Port Cover Pin for AR-15
Ejection Port Cover Pin for AR-15
173-UP1021 | Del-Ton
Clearance
$1.49 $1.26
In Stock
Ejection Port Cover Spring for AR-15
Ejection Port Cover Spring for AR-15
173-UP1022 | Del-Ton
Clearance
$0.99 $0.76
In Stock
Ejection Port Cover for AR-15
Ejection Port Cover for AR-15
173-UP1023 | Del-Ton
Clearance
$5.29 $4.93
In Stock
Forward Assist Spring for AR-15
Forward Assist Spring for AR-15
173-UP1028 | Del-Ton
Clearance
$0.99 $0.76
In Stock
Stripped AR-15 Flat Top A3 Upper Receiver With White T-Marks
Stripped AR-15 Flat Top A3 Upper Receiver With White T-Marks
173-UR1000 | Del-Ton
Clearance
$106.99 $100.87
In Stock
Item Total: (24) 0 - 24