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Quickview Belt Fed Upper – M249 Style “CLUBFOOT” Buttstock – Polyurethane Cast
Belt Fed Upper - M249 Style "CLUBFOOT" Buttstock - Polyurethane Cast
Original price was: $400.00.$250.00Current price is: $250.00.In stockAdd to cart-
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Belt Fed Upper – M249 Style “CLUBFOOT” Buttstock – Polyurethane Cast
Original price was: $400.00.$250.00Current price is: $250.00.Belt Fed Upper - M249 Style "CLUBFOOT" Buttstock - Polyurethane Cast
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Quickview 
HK21 Barrel Parts Kit
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Quickview 
L6DL – 80% LIMASIX Purpose Built Stripped Lower Receiver 5.56MM – 80% lower (NON-RESTRICTED)
We have decided to make a dedicated lower for the LIMASIX for the LIMASIX belt fed upper because people were...
L6DL – 80% LIMASIX Purpose Built Stripped Lower Receiver 5.56MM – 80% lower (NON-RESTRICTED)
$250.00We have decided to make a dedicated lower for the LIMASIX for the LIMASIX belt fed upper because people were...
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Quickview 
CRYO-HMG DUALFEED762 Lower Receiver
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Featured Products
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Quickview Belt Fed Upper – M249 Style “CLUBFOOT” Buttstock – Polyurethane Cast
Belt Fed Upper - M249 Style "CLUBFOOT" Buttstock - Polyurethane Cast
Original price was: $400.00.$250.00Current price is: $250.00.In stockAdd to cart-
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Belt Fed Upper – M249 Style “CLUBFOOT” Buttstock – Polyurethane Cast
Original price was: $400.00.$250.00Current price is: $250.00.Belt Fed Upper - M249 Style "CLUBFOOT" Buttstock - Polyurethane Cast
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Quickview Billet Slick Side AR-15 Flat Top Upper Anodized Black with logo removed
Manufacturer:Â CERRO Forging Model:Â AR-15 / M4 / M-16 Caliber:Â .223 / 5.56 NATO Finish:Â BLACK Sights:Â Picatinny Rail Condition:Â FACTORY NEW Warranty & Guarantee: Lifetime
Original price was: $200.00.$39.99Current price is: $39.99.In stockAdd to cart-
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Billet Slick Side AR-15 Flat Top Upper Anodized Black with logo removed
Original price was: $200.00.$39.99Current price is: $39.99.Manufacturer:Â CERRO Forging Model:Â AR-15 / M4 / M-16 Caliber:Â .223 / 5.56 NATO Finish:Â BLACK Sights:Â Picatinny Rail Condition:Â FACTORY NEW Warranty & Guarantee: Lifetime
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Quickview AR-15 to AK-47 Grip adapter
This Grip Adapter allows you to take advantage of the plethora of AR15 grips on the market. Your grip hand...
Original price was: $75.00.$50.00Current price is: $50.00.In stockAdd to cart-
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This Grip Adapter allows you to take advantage of the plethora of AR15 grips on the market. Your grip hand...
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Quickview M110 / SR25 / AR10 Barrel Handguard Nut
Spare barrel nut for the Knight’s Armament SR25 URX’s. The URX handguards come with a barrel nut included so this...
Original price was: $100.00.$75.00Current price is: $75.00.In stockAdd to cart-
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M110 / SR25 / AR10 Barrel Handguard Nut
Original price was: $100.00.$75.00Current price is: $75.00.Spare barrel nut for the Knight’s Armament SR25 URX’s. The URX handguards come with a barrel nut included so this...
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Top Rated Products
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Quickview 
AR-15 80% Practice Milling Lower Receiver
Milling Practice Raw 80 Percent Lower ***FOR FIRE CONTROL PRACTICE MILLING ONLY*** 80 percent lower is not an FFL item...
Milling Practice Raw 80 Percent Lower ***FOR FIRE CONTROL PRACTICE MILLING ONLY*** 80 percent lower is not an FFL item...
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Quickview 100% Low Profile Dual-Feed AR-15 Belt Fed 100% lower receiver (LOWPRO-DUALFEED-100)
Transactions done through "Black Widow Arms" on this 100% receiver. 100 % Lower with custom machined to fit M249 MIL-SPEC...
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.Transactions done through "Black Widow Arms" on this 100% receiver. 100 % Lower with custom machined to fit M249 MIL-SPEC...
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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 
MCR® Magazine Adapter- Steel Reinforced Rigid Carbon Fiber Polycarbonate
So we have a less expensive alternative for the official aluminum MCR® adapter. $145.99 is the price of the standard...
So we have a less expensive alternative for the official aluminum MCR® adapter. $145.99 is the price of the standard...
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Best Selling Products
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Quickview 
Standard Black Lower – 80% Lower Receiver – 80 percent
Ambi bolt release cut - Extremely rare on 80% lowers Also known as 80% machined (just needs trigger and safety...
Ambi bolt release cut - Extremely rare on 80% lowers Also known as 80% machined (just needs trigger and safety...
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Quickview 
CERRO AR-15 Flat Top Upper Anodized Black
Manufacturer:Â CERRO Forging Model:Â AR-15 / M4 / M-16 Caliber:Â .223 / 5.56 NATO Finish:Â BLACK Sights:Â Picatinny Rail Condition:Â FACTORY NEW
Manufacturer:Â CERRO Forging Model:Â AR-15 / M4 / M-16 Caliber:Â .223 / 5.56 NATO Finish:Â BLACK Sights:Â Picatinny Rail Condition:Â FACTORY NEW
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AR-15 80% Raw 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...
CERRO Raw 80 Percent Lower Forged & Machined by CERRO, this 80 percent lower is not an FFL item and...
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Quickview 100% Low Profile Dual-Feed AR-15 Belt Fed 100% lower receiver (LOWPRO-DUALFEED-100)
Transactions done through "Black Widow Arms" on this 100% receiver. 100 % Lower with custom machined to fit M249 MIL-SPEC...
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.Transactions done through "Black Widow Arms" on this 100% receiver. 100 % Lower with custom machined to fit M249 MIL-SPEC...
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Quickview 
FULL SUPER CUSTOM DEEP LASERED – AR-15 80% Lower Receiver
CERRO Raw 80 Percent Lower "Anything you want", except machining cut-out lines. Forged by CERRO & Machined by Cryostructure, this...
CERRO Raw 80 Percent Lower "Anything you want", except machining cut-out lines. Forged by CERRO & Machined by Cryostructure, this...
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Quickview AR-15 80% Matching 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.$95.00Current price is: $95.00.In stockAdd to cart-
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AR-15 80% Matching Upper and Lower Receiver Pair Set – CERRO Forged and Machined
Original price was: $150.00.$95.00Current price is: $95.00.Cerro Raw 80 Percent Lower with matching upper Forged & Machined by Cerro, this 80 percent lower is not an...
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Purpose Built AR-15 Belt Fed 100% lower receiver (BFAR)
100 % Lower with custom machined to fit M249 feed bag & Nut-Sack attachments. Forged by CERRO & Machined by...
100 % Lower with custom machined to fit M249 feed bag & Nut-Sack attachments. Forged by CERRO & Machined by...
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Quickview
AR-15 80% Practice Milling Lower Receiver
Milling Practice Raw 80 Percent Lower ***FOR FIRE CONTROL PRACTICE MILLING ONLY*** 80 percent lower is not an FFL item...
Milling Practice Raw 80 Percent Lower ***FOR FIRE CONTROL PRACTICE MILLING ONLY*** 80 percent lower is not an FFL item...
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