Just over $1k, but here's the list I came up with for a build.
Qty Item Descr Unit $$ Ext $$$ Link
1 Anderson Mfg AM15 Stripped Lower Receiver $39.95 $39.95 http://fatboytactical.net/index.php?main_page=product_info&cPath=21&products_id=411
1 10 Pack of Gen 2 MOE Pmags, Black $100.00 $100.00 http://fatboytactical.net/index.php?main_page=product_info&cPath=11&products_id=311
1 FBT Tax $12.60 $12.60 http://fatboytactical.net/index.php?main_page=product_info&cPath=11&products_id=311
1 Palmetto State Armory Magpul STR Lower Build Kit - Black - 27346 $149.99 $149.99 http://palmettostatearmory.com/psa-str-lower-build-kit-black.html
1 PSA 16" Midlength Slim Stainless Steel 5.56 NATO 1:7 Freedom Upper - with BCG and CH - 506450 $339.99 $339.99 http://palmettostatearmory.com/psa-...eedom-upper-with-bcg-and-charging-handle.html
1 The Outdoor Connection 46" Tactical Rifle Case - Black - 28070 $29.99 $29.99 http://palmettostatearmory.com/the-outdoor-connection-tactical-46-case-black-28070.html
1 PSA Shipping - Ground $12.00 $12.00
1 Anderson Manufacturing AR-15 Carry Handle $82.99 $82.99 http://www.primaryarms.com/am-carrying-handle/p/am-carrying-handle/
1 Magpul MOE M4 Hand Guard Mid Length - Black $24.99 $24.99 http://www.primaryarms.com/magpul-moe-m4-hand-guard-mid-length-black/p/kt-mag418-blk/
1 Streamlight TLR-1 HPL Standard Weapon Light with Strobe and Remote Switch - 775 Lumens - See more at: http://www.primaryarms.com/stl69216/p/stl69216/#sthash.s9l0ZKt5.dpuf $149.99 $149.99 http://www.primaryarms.com/stl69216/p/stl69216/
1 Magpul MOE Cantilever Rail - Black $7.55 $7.55 http://www.primaryarms.com/mag437-blk/p/mag437-blk/
1 Magpul MSA-QD - MOE QD Sling Attachment $18.95 $18.95 http://www.primaryarms.com/mag528/p/mag528/
1 TROY / VTAC 2 Point Sling Wide Padded - Black - Upgraded - See more at: http://www.primaryarms.com/ssli-vta-wpbt-01/p/ssli-vta-wpbt-01/#sthash.sXiLKKKs.dpuf $40.95 $40.95 http://www.primaryarms.com/ssli-vta-wpbt-01/p/ssli-vta-wpbt-01/
2 GG&G Enhanced Heavy Duty Quick Detach Sling Swivel $11.99 $23.98 http://www.primaryarms.com/ggg-1418/p/ggg-1418/
1 PA Shipping - USPS Priority $7.15 $7.15
Total: $1,041.07
But that includes 10 mags, sling, light, and sights.
Qty Item Descr Unit $$ Ext $$$ Link
1 Anderson Mfg AM15 Stripped Lower Receiver $39.95 $39.95 http://fatboytactical.net/index.php?main_page=product_info&cPath=21&products_id=411
1 10 Pack of Gen 2 MOE Pmags, Black $100.00 $100.00 http://fatboytactical.net/index.php?main_page=product_info&cPath=11&products_id=311
1 FBT Tax $12.60 $12.60 http://fatboytactical.net/index.php?main_page=product_info&cPath=11&products_id=311
1 Palmetto State Armory Magpul STR Lower Build Kit - Black - 27346 $149.99 $149.99 http://palmettostatearmory.com/psa-str-lower-build-kit-black.html
1 PSA 16" Midlength Slim Stainless Steel 5.56 NATO 1:7 Freedom Upper - with BCG and CH - 506450 $339.99 $339.99 http://palmettostatearmory.com/psa-...eedom-upper-with-bcg-and-charging-handle.html
1 The Outdoor Connection 46" Tactical Rifle Case - Black - 28070 $29.99 $29.99 http://palmettostatearmory.com/the-outdoor-connection-tactical-46-case-black-28070.html
1 PSA Shipping - Ground $12.00 $12.00
1 Anderson Manufacturing AR-15 Carry Handle $82.99 $82.99 http://www.primaryarms.com/am-carrying-handle/p/am-carrying-handle/
1 Magpul MOE M4 Hand Guard Mid Length - Black $24.99 $24.99 http://www.primaryarms.com/magpul-moe-m4-hand-guard-mid-length-black/p/kt-mag418-blk/
1 Streamlight TLR-1 HPL Standard Weapon Light with Strobe and Remote Switch - 775 Lumens - See more at: http://www.primaryarms.com/stl69216/p/stl69216/#sthash.s9l0ZKt5.dpuf $149.99 $149.99 http://www.primaryarms.com/stl69216/p/stl69216/
1 Magpul MOE Cantilever Rail - Black $7.55 $7.55 http://www.primaryarms.com/mag437-blk/p/mag437-blk/
1 Magpul MSA-QD - MOE QD Sling Attachment $18.95 $18.95 http://www.primaryarms.com/mag528/p/mag528/
1 TROY / VTAC 2 Point Sling Wide Padded - Black - Upgraded - See more at: http://www.primaryarms.com/ssli-vta-wpbt-01/p/ssli-vta-wpbt-01/#sthash.sXiLKKKs.dpuf $40.95 $40.95 http://www.primaryarms.com/ssli-vta-wpbt-01/p/ssli-vta-wpbt-01/
2 GG&G Enhanced Heavy Duty Quick Detach Sling Swivel $11.99 $23.98 http://www.primaryarms.com/ggg-1418/p/ggg-1418/
1 PA Shipping - USPS Priority $7.15 $7.15
Total: $1,041.07
But that includes 10 mags, sling, light, and sights.