Firearm Parts
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Quickview .300 BLK – Belt Fed Upper 12.5″ or 16.5″ Cold Hammer Forged Heavy Barrel
Complete barrel assembly for use with MCR® uppers and our new Belt Fed Upper receiver. Compatible with both systems. (Current expected...
Original price was: $1,119.97.$550.00Current price is: $550.00.In stockSelect options-
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.300 BLK – Belt Fed Upper 12.5″ or 16.5″ Cold Hammer Forged Heavy Barrel
Original price was: $1,119.97.$550.00Current price is: $550.00.Complete barrel assembly for use with MCR® uppers and our new Belt Fed Upper receiver. Compatible with both systems. (Current expected...
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Quickview 100% Low Profile Dual-Feed AR-15 Belt Fed 100% lower receiver (LOWPRO-DUALFEED-100)
100 % Lower with custom machined to fit M249 feed bag & Nut-Sack attachments as well as magazines. Machined by...
Original price was: $500.00.$350.00Current price is: $350.00.In stockAdd to cart-
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100% Low Profile Dual-Feed AR-15 Belt Fed 100% lower receiver (LOWPRO-DUALFEED-100)
Original price was: $500.00.$350.00Current price is: $350.00.100 % Lower with custom machined to fit M249 feed bag & Nut-Sack attachments as well as magazines. Machined by...
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Quickview 
12.5 inch Cold Hammer Forged M4 -M203 fitting – Chrome Lined barrel
12.5 inch Cold Hammer Forged M4 -M203 fitting - Chrome Lined barrel
12.5 inch Cold Hammer Forged M4 -M203 fitting - Chrome Lined barrel
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Quickview 1911 Ivory and Black Grip Plates Punisher Skull Colt KIMBER ROCK ISLAND SPRINGFIELD Custom Grips full size grips 9
Manufacturer: Cryostructure Model: 1911 Caliber: .45 ACP Finish: White with Black Smooth Punisher Logo Condition:Â FACTORY NEW
Original price was: $35.00.$28.00Current price is: $28.00.Out of stockRead more-
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1911 Ivory and Black Grip Plates Punisher Skull Colt KIMBER ROCK ISLAND SPRINGFIELD Custom Grips full size grips 9
Original price was: $35.00.$28.00Current price is: $28.00.Manufacturer: Cryostructure Model: 1911 Caliber: .45 ACP Finish: White with Black Smooth Punisher Logo Condition:Â FACTORY NEW
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Quickview 5.56 Black Rain Bolt Carrier Group – BCG
Black Rain 5.56 Nickel Boron Complete Bolt Carrier Group NIB-XÂ This is PREMIUM 5.56 .223 Nickel Boron Complete Bolt Carrier...
Original price was: $139.99.$99.99Current price is: $99.99.Out of stockRead more-
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5.56 Black Rain Bolt Carrier Group – BCG
Original price was: $139.99.$99.99Current price is: $99.99.Black Rain 5.56 Nickel Boron Complete Bolt Carrier Group NIB-XÂ This is PREMIUM 5.56 .223 Nickel Boron Complete Bolt Carrier...
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Quickview 80% Low Profile Dual-Feed AR-15 Belt Fed 80% lower receiver (LOWPRO-DUALFEED-80)
The only 80 % Lower made to fit M249 feed bag & Nut-Sack attachments as well as standard AR-15 magazines....
Original price was: $500.00.$350.00Current price is: $350.00.In stockAdd to cart-
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80% Low Profile Dual-Feed AR-15 Belt Fed 80% lower receiver (LOWPRO-DUALFEED-80)
Original price was: $500.00.$350.00Current price is: $350.00.The only 80 % Lower made to fit M249 feed bag & Nut-Sack attachments as well as standard AR-15 magazines....
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Quickview AKARS AK-47 Rail Optic Mounting System
[video width="720" height="720" mp4="https://www.cryostructure.com/wp-content/uploads/2020/12/Cryostructure_AKARS_MOVIE_01.mp4"][/video]
Original price was: $129.95.$90.00Current price is: $90.00.In stockAdd to cart-
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AKARS AK-47 Rail Optic Mounting System
Original price was: $129.95.$90.00Current price is: $90.00.[video width="720" height="720" mp4="https://www.cryostructure.com/wp-content/uploads/2020/12/Cryostructure_AKARS_MOVIE_01.mp4"][/video]
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Quickview AR-10 Black Rain .308 Rail – Picatinny Rail 12.5 in long x 2.5 in wide
Black Rain Ordnance AR-10 rifle length (12.625") free float quad rail. Black finish
Original price was: $195.00.$50.00Current price is: $50.00.In stockAdd to cart-
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AR-10 Black Rain .308 Rail – Picatinny Rail 12.5 in long x 2.5 in wide
Original price was: $195.00.$50.00Current price is: $50.00.Black Rain Ordnance AR-10 rifle length (12.625") free float quad rail. Black finish
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Quickview 
AR-15 80% Lower Receiver – Premium CERRO Forged – SOLID MAGWEL
CERRO Raw 80 Percent Lower with SOLID MAGWELL Forged & Machined by CERRO, this 80 percent lower is not an...
CERRO Raw 80 Percent Lower with SOLID MAGWELL Forged & Machined by CERRO, this 80 percent lower is not an...
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Quickview 
AR-15 80% Lower Receiver – Premium CERRO Forged and Machined – Rear pocket pre-machined
CERRO Raw 80 Percent Lower Forged & Machined by CERRO, this 80 percent lower is not an FFL item and...
From $55.00In stockSelect options This product has multiple variants. The options may be chosen on the product page-
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CERRO Raw 80 Percent Lower Forged & Machined by CERRO, this 80 percent lower is not an FFL item and...
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Quickview
AR-15 80% Lower Receiver – WITH OLD STYLE FORGING FLASHING included
CERRO Raw 80 Percent Lower Forged & Machined by CERRO, this 80 percent lower is not an FFL item and...
From $55.00In stockSelect options This product has multiple variants. The options may be chosen on the product page-
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CERRO Raw 80 Percent Lower Forged & Machined by CERRO, this 80 percent lower is not an FFL item and...
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Quickview AR-15 80% Matching Black Anodized Upper and Lower Receiver Pair Set – CERRO Forged and Machined
Cerro Raw 80 Percent Lower with matching upper Forged & Machined by Cerro, this 80 percent lower is not an...
Original price was: $150.00.$120.00Current price is: $120.00.In stockAdd to cart-
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AR-15 80% Matching Black Anodized Upper and Lower Receiver Pair Set – CERRO Forged and Machined
Original price was: $150.00.$120.00Current price is: $120.00.Cerro Raw 80 Percent Lower with matching upper Forged & Machined by Cerro, this 80 percent lower is not an...
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