Overview Product Description 4150 Chromoly Steel 5.56/.223 Chambered in 5.56×45 1/2 by 28 Thread 1:5 Twist Contour Profile Markings Spiral Engraved Near Break Custom Short Gas Tube Included M4 Feed Ramps Pistol Length Gas System Black Nitride Coating Product Videos Custom Field Product Reviews
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-TIN Guntec USA BAR-5.5-TIN 5.5" 5.56mm 1:5 Twist Contour 4150 Barrel With Gas Tube (Tin Coated) Reg: $199.95 Was: $189.95 Now: $157.63 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-RPVD Guntec USA BAR-5.5-RPVD 5.5" 5.56mm 1:5 Twist Contour 4150 Barrel With Gas Tube (Rainbow PVD Coated) Reg: $199.95 Was: $189.95 Now: $157.63 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-WYLDE Guntec USA BAR-5.5-WYLDE 5.5" 223 Wylde 1:5 Twist Contour 4150 Barrel With Gas Tube Reg: $149.95 Was: $142.45 Now: $105.00 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-300BLK Guntec USA BAR-5.5-300BLK 5.5" 300 AAC BLKOUT 1:7 Twist Contour 4150 Barrel With Gas Tube Reg: $149.95 Was: $142.45 Now: $105.00 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-RPVD-TD Guntec USA BAR-5.5-RPVD-TD 5.5" 5.56mm 1:5 Twist Contour 4150 Barrel With Gas Tube (Rainbow PVD Coated) (Tie Dye Pattern) Reg: $219.95 Was: $208.95 Now: $178.68 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-9 Guntec USA BAR-5.5-9 5.5" 9mm Cal 1:10 Twist 4150 Barrel Reg: $129.95 Was: $123.45 Now: $98.95 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-5.5-45 Guntec USA BAR-5.5-45 5.5 45 ACP 1:16 Twist 4150 Barrel Reg: $139.95 Was: $132.95 Now: $104.21 Add to Cart
SALE ABC CASH BACK Quick view Details Guntec USA | sku: BAR-10.5 Guntec USA BAR-10.5 10.5" 5.56mm 1:7 Twist Contour 4150 Barrel Reg: $159.95 Was: $151.95 Now: $109.21 Add to Cart