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Showing 385–432 of 642 results

-14%

MSF 14.5” 5.56/.223 Pistol Upper Assembly
Style: Pistol
Barrel Size: 14.5"

Rated 5.00 out of 5 based on 3 customer ratings
(3)
Original price was: $349.00.Current price is: $299.00. View Product
-8%

MSF 14.5” Pin/weld 5.56/.223 Rifle Build Kit
Style: Rifle
Barrel Size: 14.5"

Rated 4.00 out of 5 based on 1 customer rating
(1)
Original price was: $599.00.Current price is: $549.00. View Product
-24%

MSF 13.9” Pin/weld 5.56/.223 Ar15 Rifle Upper assembly
Style: Rifle
Caliber: 5.56/.223

Rated 4.64 out of 5 based on 14 customer ratings
(14)
Original price was: $499.00.Current price is: $379.00. View Product
-24%

MSF 13.9” Pin/weld 223 Wylde 1:7 Ar15 Rifle Upper assembly
Barrel Size: 13.9"
Caliber: 5.56/.223
Original price was: $499.00.Current price is: $379.00. View Product
-24%

MSF 14.5” Pin/weld 5.56/.223 Ar15 Rifle Upper assembly
Barrel Size: 14.5"
Caliber: 5.56/.223

Rated 4.60 out of 5 based on 10 customer ratings
(10)
Original price was: $499.00.Current price is: $379.00. View Product
-16%

MSF 16″ 5.56 Nato 1/7 4150cmv Black Nitride barrel
Barrel Size: 16"
Caliber: 5.56/.223
Original price was: $165.00.Current price is: $139.00. View Product
-13%

MSF 16” 6.5 Grendel Rifle Build Kit
Style: Rifle
Caliber: 6.5 Grendel
Original price was: $599.00.Current price is: $524.00. View Product
-13%

MSF 16” 6.5 Grendel Upper Receiver Assembly
Style: Rifle
Barrel Size: 16"
Original price was: $374.00.Current price is: $324.00. View Product
-8%

MSF 16” .350 Legend Rifle Build Kit
Caliber: .350 Legend
Barrel Size: 16"
Original price was: $599.00.Current price is: $549.00. View Product
-13%

MSF 16” .350 Legend Upper Receiver Assembly
Style: Rifle
Barrel Size: 16"

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $399.00.Current price is: $349.00. View Product
-8%

MSF 16” .450 Bushmaster Rifle Build Kit
Style: Rifle
Caliber: .450 Bushmaster
Original price was: $599.00.Current price is: $549.00. View Product
-13%

MSF 16” .450 Bushmaster Upper Receiver Assembly
Caliber: .450 Bushmaster
Barrel Size: 16"
Original price was: $399.00.Current price is: $349.00. View Product
-8%

MSF 16” .458 Socom Rifle Build Kit
Barrel Size: 16"
Caliber: .458 Socom
Original price was: $599.00.Current price is: $549.00. View Product
-13%

MSF 16” .458 Socom Upper Receiver Assembly
Caliber: .458 Socom
Barrel Size: 16"

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $399.00.Current price is: $349.00. View Product
-14%

MSF 16” (Pistol Gas) 300 Blackout Upper Assembly
Style: Rifle
Barrel Size: 16"

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $349.00.Current price is: $299.00. View Product
-27%

MSF 16” 300 Blackout Ar-15 Rifle Build Kit
Style: Rifle
Barrel Size: 16"
Original price was: $549.00.Current price is: $399.00. View Product
-27%

MSF 16” 5.56/.223 Rifle Kit
Style: Rifle
Barrel Size: 16"

Rated 4.86 out of 5 based on 14 customer ratings
(14)
Original price was: $549.00.Current price is: $399.00. View Product
-14%

MSF 16” 5.56/.223 Upper Assembly
Barrel Size: 16"
Caliber: 5.56/.223

Rated 4.38 out of 5 based on 8 customer ratings
(8)
Original price was: $349.00.Current price is: $299.00. View Product
-9%

MSF 16” 9mm Rifle Build Kit
Barrel Size: 16"
Style: Rifle
Original price was: $549.00.Current price is: $499.00. View Product
-14%

MSF 16” 9mm Upper Assembly
Style: Rifle
Caliber: 9mm
Original price was: $349.00.Current price is: $299.00. View Product
-9%

MSF 16″ 7.62x39mm Rifle Build Kit
Barrel Size: 16"
Caliber: 7.62x39
Original price was: $574.00.Current price is: $524.00. View Product
-13%

MSF 16″ 7.62x39mm Upper Receiver Assembly
Barrel Size: 16"
Style: Rifle

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $374.00.Current price is: $324.00. View Product
-8%

MSF 18” .450 Bushmaster Rifle Build Kit
Barrel Size: 18"
Style: Rifle

Rated 5.00 out of 5 based on 3 customer ratings
(3)
Original price was: $639.00.Current price is: $589.00. View Product
-11%

MSF 18” .450 Bushmaster Upper Receiver Assembly
Barrel Size: 18"
Caliber: .450 Bushmaster

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $439.00.Current price is: $389.00. View Product
-9%

MSF 18” 5.56/.223 Rifle Build Kit
Barrel Size: 18"
Style: Rifle

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $549.00.Current price is: $499.00. View Product
-8%

MSF 18” 5.56/.223 Upper Receiver Assembly
Style: Rifle
Caliber: 5.56/.223
Original price was: $379.00.Current price is: $349.00. View Product
-3%

MSF 18” 6.5 Grendel Rifle Build Kit
Caliber: 6.5 Grendel
Style: Rifle
Original price was: $599.00.Current price is: $579.00. View Product
-12%

MSF 18” 6.5 Grendel Upper Receiver Assembly
Style: Rifle
Barrel Size: 18"
Original price was: $429.00.Current price is: $379.00. View Product
-33%

MSF 20” 5.56/.223 Wylde Ar15 Upper Assembly with 15″ gen3 MLok – blem
Barrel Size: 20"
Thread Pitch: 1/2x28

Rated 5.00 out of 5 based on 12 customer ratings
(12)
Original price was: $449.00.Current price is: $299.00. View Product
-13%

MSF 20” SS Fluted (Rifle Gas) 5.56/.223 Ar15 Upper Assembly
Barrel Size: 20"
Caliber: 5.56/.223

Rated 5.00 out of 5 based on 4 customer ratings
(4)
Original price was: $449.00.Current price is: $389.00. View Product
MSF 20” 5.56/.223 Rifle Build Kit
Barrel Size: 20"
Caliber: 5.56/.223
$549.00 View Product
-27%

MSF 3” 9mm Pistol Build Kit
Caliber: 9mm
Barrel Size: 3"
Original price was: $549.00.Current price is: $399.00. View Product
-14%

MSF 3” 9mm Pistol Upper Assembly
Barrel Size: 3"
Caliber: 9mm
Original price was: $349.00.Current price is: $299.00. View Product
-9%

MSF 5” 9mm Pistol Build Kit
Style: Pistol
Barrel Size: 5"
Original price was: $549.00.Current price is: $499.00. View Product
-49%

Blem 5” 9mm Ar15 Ar9 Pistol Upper Assembly
Barrel Size: 5"
Thread Pitch: 5/8x24
Original price was: $349.00.Current price is: $179.00. View Product
-14%

MSF 5” 9mm Pistol Upper Assembly
Barrel Size: 5"
Style: Pistol
Original price was: $349.00.Current price is: $299.00. View Product
-9%

MSF 7.5″ 7.62x39mm Pistol Build Kit
Caliber: 7.62x39
Style: Pistol
Original price was: $574.00.Current price is: $524.00. View Product
-13%

MSF 7.5″ Pistol 7.62x39mm Upper Assembly
Style: Pistol
Caliber: 7.62x39
Original price was: $374.00.Current price is: $324.00. View Product
-9%

MSF 7.5” 300 Blackout Pistol Build Kit
Caliber: 300 BLK
Barrel Size: 7.5"
Original price was: $549.00.Current price is: $499.00. View Product
-9%

MSF 7.5” 5.56/.223 Pistol Build Kit
Caliber: 5.56/.223
Barrel Size: 7.5"
Original price was: $549.00.Current price is: $499.00. View Product
-14%

MSF 7.5” Pistol 300 Blackout Upper Assembly
Style: Pistol
Caliber: 300 BLK
Original price was: $349.00.Current price is: $299.00. View Product
-14%

MSF 7.5” Pistol 5.56/.223 Upper Assembly
Caliber: 5.56/.223
Style: Pistol
Original price was: $349.00.Current price is: $299.00. View Product
-9%

MSF 7” 9mm Pistol Build Kit
Barrel Size: 7"
Style: Pistol
Original price was: $549.00.Current price is: $499.00. View Product
-14%

MSF 7” 9mm Pistol Upper Assembly
Barrel Size: 7"
Style: Pistol
Original price was: $349.00.Current price is: $299.00. View Product
-9%

MSF 8.5” 300 Blackout Pistol Build Kit
Barrel Size: 8.5"
Style: Pistol

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $549.00.Current price is: $499.00. View Product
-9%

MSF 8.5” 5.56/.223 Pistol Build Kit
Caliber: 5.56/.223
Style: Pistol
Original price was: $549.00.Current price is: $499.00. View Product
-46%

Flash Sale! 8.5” Pistol 300 Blackout Blem Ar15 Upper
Caliber: 300 BLK
Style: Pistol

Rated 4.90 out of 5 based on 10 customer ratings
(10)
Original price was: $349.00.Current price is: $189.00. View Product
-14%

MSF 8.5” Pistol 300 Blackout Upper Assembly
Style: Pistol
Caliber: 300 BLK

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $349.00.Current price is: $299.00. View Product

Showing 385–432 of 642 results